20412456

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 53114880

約数和(自身を除く): 32702424

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 127, 148, 181, 222, 254, 296, 362, 381, 444, 508, 543, 724, 762, 888, 1016, 1086, 1448, 1524, 2172, 3048, 4344, 4699, 6697, 9398, 13394, 14097, 18796, 20091, 22987, 26788, 28194, 37592, 40182, 45974, 53576, 56388, 68961, 80364, 91948, 112776, 137922, 160728, 183896, 275844, 551688, 850519, 1701038, 2551557, 3402076, 5103114, 6804152, 10206228, 20412456]

約数ペア:

[(1, 20412456), (2, 10206228), (3, 6804152), (4, 5103114), (6, 3402076), (8, 2551557), (12, 1701038), (24, 850519), (37, 551688), (74, 275844), (111, 183896), (127, 160728), (148, 137922), (181, 112776), (222, 91948), (254, 80364), (296, 68961), (362, 56388), (381, 53576), (444, 45974), (508, 40182), (543, 37592), (724, 28194), (762, 26788), (888, 22987), (1016, 20091), (1086, 18796), (1448, 14097), (1524, 13394), (2172, 9398), (3048, 6697), (4344, 4699)]