20167043560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3511}}^1\times {\mathrm{8447}}^1$

素因数の和:11986

約数の個数: 64

約数和(自身を含む): 48064389120

約数和(自身を除く): 27897345560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 3511, 7022, 8447, 14044, 16894, 17555, 28088, 33788, 35110, 42235, 59687, 67576, 70220, 84470, 119374, 140440, 143599, 168940, 238748, 287198, 298435, 337880, 477496, 574396, 596870, 717995, 1148792, 1193740, 1435990, 2387480, 2871980, 5743960, 29657417, 59314834, 118629668, 148287085, 237259336, 296574170, 504176089, 593148340, 1008352178, 1186296680, 2016704356, 2520880445, 4033408712, 5041760890, 10083521780, 20167043560]

約数ペア:

[(1, 20167043560), (2, 10083521780), (4, 5041760890), (5, 4033408712), (8, 2520880445), (10, 2016704356), (17, 1186296680), (20, 1008352178), (34, 593148340), (40, 504176089), (68, 296574170), (85, 237259336), (136, 148287085), (170, 118629668), (340, 59314834), (680, 29657417), (3511, 5743960), (7022, 2871980), (8447, 2387480), (14044, 1435990), (16894, 1193740), (17555, 1148792), (28088, 717995), (33788, 596870), (35110, 574396), (42235, 477496), (59687, 337880), (67576, 298435), (70220, 287198), (84470, 238748), (119374, 168940), (140440, 143599)]