20165566730

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1\times {\mathrm{983}}^1$

素因数の和:1703

約数の個数: 64

約数和(自身を含む): 37951856640

約数和(自身を除く): 17786289910

約数列:

[1, 2, 5, 10, 29, 58, 127, 145, 254, 290, 557, 635, 983, 1114, 1270, 1966, 2785, 3683, 4915, 5570, 7366, 9830, 16153, 18415, 28507, 32306, 36830, 57014, 70739, 80765, 124841, 141478, 142535, 161530, 249682, 285070, 353695, 547531, 624205, 707390, 1095062, 1248410, 2051431, 2737655, 3620389, 4102862, 5475310, 7240778, 10257155, 15878399, 18101945, 20514310, 31756798, 36203890, 69536437, 79391995, 139072874, 158783990, 347682185, 695364370, 2016556673, 4033113346, 10082783365, 20165566730]

約数ペア:

[(1, 20165566730), (2, 10082783365), (5, 4033113346), (10, 2016556673), (29, 695364370), (58, 347682185), (127, 158783990), (145, 139072874), (254, 79391995), (290, 69536437), (557, 36203890), (635, 31756798), (983, 20514310), (1114, 18101945), (1270, 15878399), (1966, 10257155), (2785, 7240778), (3683, 5475310), (4915, 4102862), (5570, 3620389), (7366, 2737655), (9830, 2051431), (16153, 1248410), (18415, 1095062), (28507, 707390), (32306, 624205), (36830, 547531), (57014, 353695), (70739, 285070), (80765, 249682), (124841, 161530), (141478, 142535)]