20970784920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{487}}^1\times {\mathrm{1567}}^1$

素因数の和:2297

約数の個数: 128

約数和(自身を含む): 63357235200

約数和(自身を除く): 42386450280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 229, 458, 487, 687, 916, 974, 1145, 1374, 1461, 1567, 1832, 1948, 2290, 2435, 2748, 2922, 3134, 3435, 3896, 4580, 4701, 4870, 5496, 5844, 6268, 6870, 7305, 7835, 9160, 9402, 9740, 11688, 12536, 13740, 14610, 15670, 18804, 19480, 23505, 27480, 29220, 31340, 37608, 47010, 58440, 62680, 94020, 111523, 188040, 223046, 334569, 358843, 446092, 557615, 669138, 717686, 763129, 892184, 1076529, 1115230, 1338276, 1435372, 1526258, 1672845, 1794215, 2153058, 2230460, 2289387, 2676552, 2870744, 3052516, 3345690, 3588430, 3815645, 4306116, 4460920, 4578774, 5382645, 6105032, 6691380, 7176860, 7631290, 8612232, 9157548, 10765290, 11446935, 13382760, 14353720, 15262580, 18315096, 21530580, 22893870, 30525160, 43061160, 45787740, 91575480, 174756541, 349513082, 524269623, 699026164, 873782705, 1048539246, 1398052328, 1747565410, 2097078492, 2621348115, 3495130820, 4194156984, 5242696230, 6990261640, 10485392460, 20970784920]

約数ペア:

[(1, 20970784920), (2, 10485392460), (3, 6990261640), (4, 5242696230), (5, 4194156984), (6, 3495130820), (8, 2621348115), (10, 2097078492), (12, 1747565410), (15, 1398052328), (20, 1048539246), (24, 873782705), (30, 699026164), (40, 524269623), (60, 349513082), (120, 174756541), (229, 91575480), (458, 45787740), (487, 43061160), (687, 30525160), (916, 22893870), (974, 21530580), (1145, 18315096), (1374, 15262580), (1461, 14353720), (1567, 13382760), (1832, 11446935), (1948, 10765290), (2290, 9157548), (2435, 8612232), (2748, 7631290), (2922, 7176860), (3134, 6691380), (3435, 6105032), (3896, 5382645), (4580, 4578774), (4701, 4460920), (4870, 4306116), (5496, 3815645), (5844, 3588430), (6268, 3345690), (6870, 3052516), (7305, 2870744), (7835, 2676552), (9160, 2289387), (9402, 2230460), (9740, 2153058), (11688, 1794215), (12536, 1672845), (13740, 1526258), (14610, 1435372), (15670, 1338276), (18804, 1115230), (19480, 1076529), (23505, 892184), (27480, 763129), (29220, 717686), (31340, 669138), (37608, 557615), (47010, 446092), (58440, 358843), (62680, 334569), (94020, 223046), (111523, 188040)]