20691307360

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{16693}}^1$

素因数の和:16896

約数の個数: 96

約数和(自身を含む): 50078794752

約数和(自身を除く): 29387487392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 127, 160, 244, 254, 305, 488, 508, 610, 635, 976, 1016, 1220, 1270, 1952, 2032, 2440, 2540, 4064, 4880, 5080, 7747, 9760, 10160, 15494, 16693, 20320, 30988, 33386, 38735, 61976, 66772, 77470, 83465, 123952, 133544, 154940, 166930, 247904, 267088, 309880, 333860, 534176, 619760, 667720, 1018273, 1239520, 1335440, 2036546, 2120011, 2670880, 4073092, 4240022, 5091365, 8146184, 8480044, 10182730, 10600055, 16292368, 16960088, 20365460, 21200110, 32584736, 33920176, 40730920, 42400220, 67840352, 81461840, 84800440, 129320671, 162923680, 169600880, 258641342, 339201760, 517282684, 646603355, 1034565368, 1293206710, 2069130736, 2586413420, 4138261472, 5172826840, 10345653680, 20691307360]

約数ペア:

[(1, 20691307360), (2, 10345653680), (4, 5172826840), (5, 4138261472), (8, 2586413420), (10, 2069130736), (16, 1293206710), (20, 1034565368), (32, 646603355), (40, 517282684), (61, 339201760), (80, 258641342), (122, 169600880), (127, 162923680), (160, 129320671), (244, 84800440), (254, 81461840), (305, 67840352), (488, 42400220), (508, 40730920), (610, 33920176), (635, 32584736), (976, 21200110), (1016, 20365460), (1220, 16960088), (1270, 16292368), (1952, 10600055), (2032, 10182730), (2440, 8480044), (2540, 8146184), (4064, 5091365), (4880, 4240022), (5080, 4073092), (7747, 2670880), (9760, 2120011), (10160, 2036546), (15494, 1335440), (16693, 1239520), (20320, 1018273), (30988, 667720), (33386, 619760), (38735, 534176), (61976, 333860), (66772, 309880), (77470, 267088), (83465, 247904), (123952, 166930), (133544, 154940)]