20851014760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{41947}}^1$

素因数の和:42035

約数の個数: 96

約数和(自身を含む): 50997022560

約数和(自身を除く): 30146007800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 289, 340, 344, 430, 578, 680, 731, 860, 1156, 1445, 1462, 1720, 2312, 2890, 2924, 3655, 5780, 5848, 7310, 11560, 12427, 14620, 24854, 29240, 41947, 49708, 62135, 83894, 99416, 124270, 167788, 209735, 248540, 335576, 419470, 497080, 713099, 838940, 1426198, 1677880, 1803721, 2852396, 3565495, 3607442, 5704792, 7130990, 7214884, 9018605, 12122683, 14261980, 14429768, 18037210, 24245366, 28523960, 30663257, 36074420, 48490732, 60613415, 61326514, 72148840, 96981464, 121226830, 122653028, 153316285, 242453660, 245306056, 306632570, 484907320, 521275369, 613265140, 1042550738, 1226530280, 2085101476, 2606376845, 4170202952, 5212753690, 10425507380, 20851014760]

約数ペア:

[(1, 20851014760), (2, 10425507380), (4, 5212753690), (5, 4170202952), (8, 2606376845), (10, 2085101476), (17, 1226530280), (20, 1042550738), (34, 613265140), (40, 521275369), (43, 484907320), (68, 306632570), (85, 245306056), (86, 242453660), (136, 153316285), (170, 122653028), (172, 121226830), (215, 96981464), (289, 72148840), (340, 61326514), (344, 60613415), (430, 48490732), (578, 36074420), (680, 30663257), (731, 28523960), (860, 24245366), (1156, 18037210), (1445, 14429768), (1462, 14261980), (1720, 12122683), (2312, 9018605), (2890, 7214884), (2924, 7130990), (3655, 5704792), (5780, 3607442), (5848, 3565495), (7310, 2852396), (11560, 1803721), (12427, 1677880), (14620, 1426198), (24854, 838940), (29240, 713099), (41947, 497080), (49708, 419470), (62135, 335576), (83894, 248540), (99416, 209735), (124270, 167788)]