20802116868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{72907}}^1$

素因数の和:73017

約数の個数: 96

約数和(自身を含む): 54873477120

約数和(自身を除く): 34071360252

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 59, 62, 78, 93, 118, 124, 156, 177, 186, 236, 354, 372, 403, 708, 767, 806, 1209, 1534, 1612, 1829, 2301, 2418, 3068, 3658, 4602, 4836, 5487, 7316, 9204, 10974, 21948, 23777, 47554, 71331, 72907, 95108, 142662, 145814, 218721, 285324, 291628, 437442, 874884, 947791, 1895582, 2260117, 2843373, 3791164, 4301513, 4520234, 5686746, 6780351, 8603026, 9040468, 11373492, 12904539, 13560702, 17206052, 25809078, 27121404, 29381521, 51618156, 55919669, 58763042, 88144563, 111839338, 117526084, 133346903, 167759007, 176289126, 223678676, 266693806, 335518014, 352578252, 400040709, 533387612, 671036028, 800081418, 1600162836, 1733509739, 3467019478, 5200529217, 6934038956, 10401058434, 20802116868]

約数ペア:

[(1, 20802116868), (2, 10401058434), (3, 6934038956), (4, 5200529217), (6, 3467019478), (12, 1733509739), (13, 1600162836), (26, 800081418), (31, 671036028), (39, 533387612), (52, 400040709), (59, 352578252), (62, 335518014), (78, 266693806), (93, 223678676), (118, 176289126), (124, 167759007), (156, 133346903), (177, 117526084), (186, 111839338), (236, 88144563), (354, 58763042), (372, 55919669), (403, 51618156), (708, 29381521), (767, 27121404), (806, 25809078), (1209, 17206052), (1534, 13560702), (1612, 12904539), (1829, 11373492), (2301, 9040468), (2418, 8603026), (3068, 6780351), (3658, 5686746), (4602, 4520234), (4836, 4301513), (5487, 3791164), (7316, 2843373), (9204, 2260117), (10974, 1895582), (21948, 947791), (23777, 874884), (47554, 437442), (71331, 291628), (72907, 285324), (95108, 218721), (142662, 145814)]