20154289860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{773}}^1\times {\mathrm{911}}^1$

素因数の和:1755

約数の個数: 192

約数和(自身を含む): 64038159360

約数和(自身を除く): 43883869500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 90, 106, 108, 135, 159, 180, 212, 265, 270, 318, 477, 530, 540, 636, 773, 795, 911, 954, 1060, 1431, 1546, 1590, 1822, 1908, 2319, 2385, 2733, 2862, 3092, 3180, 3644, 3865, 4555, 4638, 4770, 5466, 5724, 6957, 7155, 7730, 8199, 9110, 9276, 9540, 10932, 11595, 13665, 13914, 14310, 15460, 16398, 18220, 20871, 23190, 24597, 27330, 27828, 28620, 32796, 34785, 40969, 40995, 41742, 46380, 48283, 49194, 54660, 69570, 81938, 81990, 83484, 96566, 98388, 104355, 122907, 122985, 139140, 144849, 163876, 163980, 193132, 204845, 208710, 241415, 245814, 245970, 289698, 368721, 409690, 417420, 434547, 482830, 491628, 491940, 579396, 614535, 704203, 724245, 737442, 819380, 869094, 965660, 1106163, 1229070, 1303641, 1408406, 1448490, 1474884, 1738188, 1843605, 2112609, 2172735, 2212326, 2458140, 2607282, 2816812, 2896980, 3521015, 3687210, 4225218, 4345470, 4424652, 5214564, 5530815, 6337827, 6518205, 7042030, 7374420, 8450436, 8690940, 10563045, 11061630, 12675654, 13036410, 14084060, 19013481, 21126090, 22123260, 25351308, 26072820, 31689135, 37322759, 38026962, 42252180, 63378270, 74645518, 76053924, 95067405, 111968277, 126756540, 149291036, 186613795, 190134810, 223936554, 335904831, 373227590, 380269620, 447873108, 559841385, 671809662, 746455180, 1007714493, 1119682770, 1343619324, 1679524155, 2015428986, 2239365540, 3359048310, 4030857972, 5038572465, 6718096620, 10077144930, 20154289860]

約数ペア:

[(1, 20154289860), (2, 10077144930), (3, 6718096620), (4, 5038572465), (5, 4030857972), (6, 3359048310), (9, 2239365540), (10, 2015428986), (12, 1679524155), (15, 1343619324), (18, 1119682770), (20, 1007714493), (27, 746455180), (30, 671809662), (36, 559841385), (45, 447873108), (53, 380269620), (54, 373227590), (60, 335904831), (90, 223936554), (106, 190134810), (108, 186613795), (135, 149291036), (159, 126756540), (180, 111968277), (212, 95067405), (265, 76053924), (270, 74645518), (318, 63378270), (477, 42252180), (530, 38026962), (540, 37322759), (636, 31689135), (773, 26072820), (795, 25351308), (911, 22123260), (954, 21126090), (1060, 19013481), (1431, 14084060), (1546, 13036410), (1590, 12675654), (1822, 11061630), (1908, 10563045), (2319, 8690940), (2385, 8450436), (2733, 7374420), (2862, 7042030), (3092, 6518205), (3180, 6337827), (3644, 5530815), (3865, 5214564), (4555, 4424652), (4638, 4345470), (4770, 4225218), (5466, 3687210), (5724, 3521015), (6957, 2896980), (7155, 2816812), (7730, 2607282), (8199, 2458140), (9110, 2212326), (9276, 2172735), (9540, 2112609), (10932, 1843605), (11595, 1738188), (13665, 1474884), (13914, 1448490), (14310, 1408406), (15460, 1303641), (16398, 1229070), (18220, 1106163), (20871, 965660), (23190, 869094), (24597, 819380), (27330, 737442), (27828, 724245), (28620, 704203), (32796, 614535), (34785, 579396), (40969, 491940), (40995, 491628), (41742, 482830), (46380, 434547), (48283, 417420), (49194, 409690), (54660, 368721), (69570, 289698), (81938, 245970), (81990, 245814), (83484, 241415), (96566, 208710), (98388, 204845), (104355, 193132), (122907, 163980), (122985, 163876), (139140, 144849)]