20259319860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{961981}}^1$

素因数の和:962015

約数の個数: 120

約数和(自身を含む): 68443095336

約数和(自身を除く): 48183775476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1404, 1620, 1755, 2106, 2340, 3510, 4212, 5265, 7020, 10530, 21060, 961981, 1923962, 2885943, 3847924, 4809905, 5771886, 8657829, 9619810, 11543772, 12505753, 14429715, 17315658, 19239620, 25011506, 25973487, 28859430, 34631316, 37517259, 43289145, 50023012, 51946974, 57718860, 62528765, 75034518, 77920461, 86578290, 103893948, 112551777, 125057530, 129867435, 150069036, 155840922, 173156580, 187586295, 225103554, 250115060, 259734870, 311681844, 337655331, 375172590, 389602305, 450207108, 519469740, 562758885, 675310662, 750345180, 779204610, 1012965993, 1125517770, 1350621324, 1558409220, 1688276655, 2025931986, 2251035540, 3376553310, 4051863972, 5064829965, 6753106620, 10129659930, 20259319860]

約数ペア:

[(1, 20259319860), (2, 10129659930), (3, 6753106620), (4, 5064829965), (5, 4051863972), (6, 3376553310), (9, 2251035540), (10, 2025931986), (12, 1688276655), (13, 1558409220), (15, 1350621324), (18, 1125517770), (20, 1012965993), (26, 779204610), (27, 750345180), (30, 675310662), (36, 562758885), (39, 519469740), (45, 450207108), (52, 389602305), (54, 375172590), (60, 337655331), (65, 311681844), (78, 259734870), (81, 250115060), (90, 225103554), (108, 187586295), (117, 173156580), (130, 155840922), (135, 150069036), (156, 129867435), (162, 125057530), (180, 112551777), (195, 103893948), (234, 86578290), (260, 77920461), (270, 75034518), (324, 62528765), (351, 57718860), (390, 51946974), (405, 50023012), (468, 43289145), (540, 37517259), (585, 34631316), (702, 28859430), (780, 25973487), (810, 25011506), (1053, 19239620), (1170, 17315658), (1404, 14429715), (1620, 12505753), (1755, 11543772), (2106, 9619810), (2340, 8657829), (3510, 5771886), (4212, 4809905), (5265, 3847924), (7020, 2885943), (10530, 1923962), (21060, 961981)]