20238047505

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{6257}}^1$

素因数の和:6400

約数の個数: 128

約数和(自身を含む): 41212684800

約数和(自身を除く): 20974637295

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 95, 97, 117, 135, 171, 195, 247, 285, 291, 351, 485, 513, 585, 741, 855, 873, 1235, 1261, 1455, 1755, 1843, 2223, 2565, 2619, 3705, 3783, 4365, 5529, 6257, 6305, 6669, 9215, 11115, 11349, 13095, 16587, 18771, 18915, 23959, 27645, 31285, 33345, 34047, 49761, 56313, 56745, 71877, 81341, 82935, 93855, 118883, 119795, 168939, 170235, 215631, 244023, 248805, 281565, 356649, 359385, 406705, 594415, 606929, 646893, 732069, 844695, 1069947, 1078155, 1220115, 1545479, 1783245, 1820787, 2196207, 3034645, 3209841, 3234465, 3660345, 4636437, 5349735, 5462361, 7727395, 7890077, 9103935, 10981035, 11531651, 13909311, 16049205, 16387083, 23182185, 23670231, 27311805, 34594953, 39450385, 41727933, 57658255, 69546555, 71010693, 81935415, 103784859, 118351155, 149911463, 172974765, 208639665, 213032079, 311354577, 355053465, 449734389, 518924295, 749557315, 1065160395, 1349203167, 1556772885, 2248671945, 4047609501, 6746015835, 20238047505]

約数ペア:

[(1, 20238047505), (3, 6746015835), (5, 4047609501), (9, 2248671945), (13, 1556772885), (15, 1349203167), (19, 1065160395), (27, 749557315), (39, 518924295), (45, 449734389), (57, 355053465), (65, 311354577), (95, 213032079), (97, 208639665), (117, 172974765), (135, 149911463), (171, 118351155), (195, 103784859), (247, 81935415), (285, 71010693), (291, 69546555), (351, 57658255), (485, 41727933), (513, 39450385), (585, 34594953), (741, 27311805), (855, 23670231), (873, 23182185), (1235, 16387083), (1261, 16049205), (1455, 13909311), (1755, 11531651), (1843, 10981035), (2223, 9103935), (2565, 7890077), (2619, 7727395), (3705, 5462361), (3783, 5349735), (4365, 4636437), (5529, 3660345), (6257, 3234465), (6305, 3209841), (6669, 3034645), (9215, 2196207), (11115, 1820787), (11349, 1783245), (13095, 1545479), (16587, 1220115), (18771, 1078155), (18915, 1069947), (23959, 844695), (27645, 732069), (31285, 646893), (33345, 606929), (34047, 594415), (49761, 406705), (56313, 359385), (56745, 356649), (71877, 281565), (81341, 248805), (82935, 244023), (93855, 215631), (118883, 170235), (119795, 168939)]