20700764

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 44275392

約数和(自身を除く): 23574628

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 157, 238, 277, 314, 476, 554, 628, 1099, 1108, 1939, 2198, 2669, 3878, 4396, 4709, 5338, 7756, 9418, 10676, 18683, 18836, 32963, 37366, 43489, 65926, 74732, 86978, 131852, 173956, 304423, 608846, 739313, 1217692, 1478626, 2957252, 5175191, 10350382, 20700764]

約数ペア:

[(1, 20700764), (2, 10350382), (4, 5175191), (7, 2957252), (14, 1478626), (17, 1217692), (28, 739313), (34, 608846), (68, 304423), (119, 173956), (157, 131852), (238, 86978), (277, 74732), (314, 65926), (476, 43489), (554, 37366), (628, 32963), (1099, 18836), (1108, 18683), (1939, 10676), (2198, 9418), (2669, 7756), (3878, 5338), (4396, 4709)]