20862954

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{569}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 53625600

約数和(自身を除く): 32762646

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 97, 126, 189, 194, 291, 378, 569, 582, 679, 873, 1138, 1358, 1707, 1746, 2037, 2619, 3414, 3983, 4074, 5121, 5238, 6111, 7966, 10242, 11949, 12222, 15363, 18333, 23898, 30726, 35847, 36666, 55193, 71694, 107541, 110386, 165579, 215082, 331158, 386351, 496737, 772702, 993474, 1159053, 1490211, 2318106, 2980422, 3477159, 6954318, 10431477, 20862954]

約数ペア:

[(1, 20862954), (2, 10431477), (3, 6954318), (6, 3477159), (7, 2980422), (9, 2318106), (14, 1490211), (18, 1159053), (21, 993474), (27, 772702), (42, 496737), (54, 386351), (63, 331158), (97, 215082), (126, 165579), (189, 110386), (194, 107541), (291, 71694), (378, 55193), (569, 36666), (582, 35847), (679, 30726), (873, 23898), (1138, 18333), (1358, 15363), (1707, 12222), (1746, 11949), (2037, 10242), (2619, 7966), (3414, 6111), (3983, 5238), (4074, 5121)]