20128756494

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{551503}}^1$

素因数の和:551605

約数の個数: 64

約数和(自身を含む): 50826608640

約数和(自身を除く): 30697852146

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 79, 154, 158, 231, 237, 462, 474, 553, 869, 1106, 1659, 1738, 2607, 3318, 5214, 6083, 12166, 18249, 36498, 551503, 1103006, 1654509, 3309018, 3860521, 6066533, 7721042, 11581563, 12133066, 18199599, 23163126, 36399198, 42465731, 43568737, 84931462, 87137474, 127397193, 130706211, 254794386, 261412422, 304981159, 479256107, 609962318, 914943477, 958512214, 1437768321, 1829886954, 2875536642, 3354792749, 6709585498, 10064378247, 20128756494]

約数ペア:

[(1, 20128756494), (2, 10064378247), (3, 6709585498), (6, 3354792749), (7, 2875536642), (11, 1829886954), (14, 1437768321), (21, 958512214), (22, 914943477), (33, 609962318), (42, 479256107), (66, 304981159), (77, 261412422), (79, 254794386), (154, 130706211), (158, 127397193), (231, 87137474), (237, 84931462), (462, 43568737), (474, 42465731), (553, 36399198), (869, 23163126), (1106, 18199599), (1659, 12133066), (1738, 11581563), (2607, 7721042), (3318, 6066533), (5214, 3860521), (6083, 3309018), (12166, 1654509), (18249, 1103006), (36498, 551503)]