20322510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{487}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 53125632

約数和(自身を除く): 32803122

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 107, 130, 195, 214, 321, 390, 487, 535, 642, 974, 1070, 1391, 1461, 1605, 2435, 2782, 2922, 3210, 4173, 4870, 6331, 6955, 7305, 8346, 12662, 13910, 14610, 18993, 20865, 31655, 37986, 41730, 52109, 63310, 94965, 104218, 156327, 189930, 260545, 312654, 521090, 677417, 781635, 1354834, 1563270, 2032251, 3387085, 4064502, 6774170, 10161255, 20322510]

約数ペア:

[(1, 20322510), (2, 10161255), (3, 6774170), (5, 4064502), (6, 3387085), (10, 2032251), (13, 1563270), (15, 1354834), (26, 781635), (30, 677417), (39, 521090), (65, 312654), (78, 260545), (107, 189930), (130, 156327), (195, 104218), (214, 94965), (321, 63310), (390, 52109), (487, 41730), (535, 37986), (642, 31655), (974, 20865), (1070, 18993), (1391, 14610), (1461, 13910), (1605, 12662), (2435, 8346), (2782, 7305), (2922, 6955), (3210, 6331), (4173, 4870)]