20159354870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{20341}}^1$

素因数の和:20541

約数の個数: 64

約数和(自身を含む): 39369093120

約数和(自身を除く): 19209738250

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 139, 155, 230, 278, 310, 695, 713, 1390, 1426, 3197, 3565, 4309, 6394, 7130, 8618, 15985, 20341, 21545, 31970, 40682, 43090, 99107, 101705, 198214, 203410, 467843, 495535, 630571, 935686, 991070, 1261142, 2339215, 2827399, 3152855, 4678430, 5654798, 6305710, 14136995, 14503133, 28273990, 29006266, 65030177, 72515665, 87649369, 130060354, 145031330, 175298738, 325150885, 438246845, 650301770, 876493690, 2015935487, 4031870974, 10079677435, 20159354870]

約数ペア:

[(1, 20159354870), (2, 10079677435), (5, 4031870974), (10, 2015935487), (23, 876493690), (31, 650301770), (46, 438246845), (62, 325150885), (115, 175298738), (139, 145031330), (155, 130060354), (230, 87649369), (278, 72515665), (310, 65030177), (695, 29006266), (713, 28273990), (1390, 14503133), (1426, 14136995), (3197, 6305710), (3565, 5654798), (4309, 4678430), (6394, 3152855), (7130, 2827399), (8618, 2339215), (15985, 1261142), (20341, 991070), (21545, 935686), (31970, 630571), (40682, 495535), (43090, 467843), (99107, 203410), (101705, 198214)]