20825696460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^3\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:357

約数の個数: 192

約数和(自身を含む): 61564059648

約数和(自身を除く): 40738363188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 61, 62, 93, 122, 124, 155, 183, 186, 191, 244, 305, 310, 366, 372, 382, 465, 573, 610, 620, 732, 764, 915, 930, 955, 961, 1146, 1220, 1830, 1860, 1891, 1910, 1922, 2292, 2865, 2883, 3660, 3782, 3820, 3844, 4805, 5673, 5730, 5766, 5921, 7564, 9455, 9610, 11346, 11460, 11532, 11651, 11842, 14415, 17763, 18910, 19220, 22692, 23302, 23684, 28365, 28830, 29605, 29791, 34953, 35526, 37820, 46604, 56730, 57660, 58255, 58621, 59210, 59582, 69906, 71052, 88815, 89373, 113460, 116510, 117242, 118420, 119164, 139812, 148955, 174765, 175863, 177630, 178746, 183551, 233020, 234484, 293105, 297910, 349530, 351726, 355260, 357492, 361181, 367102, 446865, 550653, 586210, 595820, 699060, 703452, 722362, 734204, 879315, 893730, 917755, 1083543, 1101306, 1172420, 1444724, 1758630, 1787460, 1805905, 1817251, 1835510, 2167086, 2202612, 2753265, 3517260, 3611810, 3634502, 3671020, 4334172, 5417715, 5451753, 5506530, 5690081, 7223620, 7269004, 9086255, 10835430, 10903506, 11013060, 11196611, 11380162, 17070243, 18172510, 21670860, 21807012, 22393222, 22760324, 27258765, 28450405, 33589833, 34140486, 36345020, 44786444, 54517530, 55983055, 56900810, 67179666, 68280972, 85351215, 109035060, 111966110, 113801620, 134359332, 167949165, 170702430, 223932220, 335898330, 341404860, 347094941, 671796660, 694189882, 1041284823, 1388379764, 1735474705, 2082569646, 3470949410, 4165139292, 5206424115, 6941898820, 10412848230, 20825696460]

約数ペア:

[(1, 20825696460), (2, 10412848230), (3, 6941898820), (4, 5206424115), (5, 4165139292), (6, 3470949410), (10, 2082569646), (12, 1735474705), (15, 1388379764), (20, 1041284823), (30, 694189882), (31, 671796660), (60, 347094941), (61, 341404860), (62, 335898330), (93, 223932220), (122, 170702430), (124, 167949165), (155, 134359332), (183, 113801620), (186, 111966110), (191, 109035060), (244, 85351215), (305, 68280972), (310, 67179666), (366, 56900810), (372, 55983055), (382, 54517530), (465, 44786444), (573, 36345020), (610, 34140486), (620, 33589833), (732, 28450405), (764, 27258765), (915, 22760324), (930, 22393222), (955, 21807012), (961, 21670860), (1146, 18172510), (1220, 17070243), (1830, 11380162), (1860, 11196611), (1891, 11013060), (1910, 10903506), (1922, 10835430), (2292, 9086255), (2865, 7269004), (2883, 7223620), (3660, 5690081), (3782, 5506530), (3820, 5451753), (3844, 5417715), (4805, 4334172), (5673, 3671020), (5730, 3634502), (5766, 3611810), (5921, 3517260), (7564, 2753265), (9455, 2202612), (9610, 2167086), (11346, 1835510), (11460, 1817251), (11532, 1805905), (11651, 1787460), (11842, 1758630), (14415, 1444724), (17763, 1172420), (18910, 1101306), (19220, 1083543), (22692, 917755), (23302, 893730), (23684, 879315), (28365, 734204), (28830, 722362), (29605, 703452), (29791, 699060), (34953, 595820), (35526, 586210), (37820, 550653), (46604, 446865), (56730, 367102), (57660, 361181), (58255, 357492), (58621, 355260), (59210, 351726), (59582, 349530), (69906, 297910), (71052, 293105), (88815, 234484), (89373, 233020), (113460, 183551), (116510, 178746), (117242, 177630), (118420, 175863), (119164, 174765), (139812, 148955)]