20179955830

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{1373}}^1$

素因数の和:1741

約数の個数: 64

約数和(自身を含む): 37380538368

約数和(自身を除く): 17200582538

約数列:

[1, 2, 5, 10, 71, 127, 142, 163, 254, 326, 355, 635, 710, 815, 1270, 1373, 1630, 2746, 6865, 9017, 11573, 13730, 18034, 20701, 23146, 41402, 45085, 57865, 90170, 97483, 103505, 115730, 174371, 194966, 207010, 223799, 348742, 447598, 487415, 871855, 974830, 1118995, 1469771, 1743710, 2237990, 2939542, 7348855, 12380341, 14697710, 15889729, 24760682, 28422473, 31779458, 56844946, 61901705, 79448645, 123803410, 142112365, 158897290, 284224730, 2017995583, 4035991166, 10089977915, 20179955830]

約数ペア:

[(1, 20179955830), (2, 10089977915), (5, 4035991166), (10, 2017995583), (71, 284224730), (127, 158897290), (142, 142112365), (163, 123803410), (254, 79448645), (326, 61901705), (355, 56844946), (635, 31779458), (710, 28422473), (815, 24760682), (1270, 15889729), (1373, 14697710), (1630, 12380341), (2746, 7348855), (6865, 2939542), (9017, 2237990), (11573, 1743710), (13730, 1469771), (18034, 1118995), (20701, 974830), (23146, 871855), (41402, 487415), (45085, 447598), (57865, 348742), (90170, 223799), (97483, 207010), (103505, 194966), (115730, 174371)]