20196150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10357}}^1$

素因数の和:10385

約数の個数: 48

約数和(自身を含む): 53944464

約数和(自身を除く): 33748314

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10357, 20714, 31071, 51785, 62142, 103570, 134641, 155355, 258925, 269282, 310710, 403923, 517850, 673205, 776775, 807846, 1346410, 1553550, 2019615, 3366025, 4039230, 6732050, 10098075, 20196150]

約数ペア:

[(1, 20196150), (2, 10098075), (3, 6732050), (5, 4039230), (6, 3366025), (10, 2019615), (13, 1553550), (15, 1346410), (25, 807846), (26, 776775), (30, 673205), (39, 517850), (50, 403923), (65, 310710), (75, 269282), (78, 258925), (130, 155355), (150, 134641), (195, 103570), (325, 62142), (390, 51785), (650, 31071), (975, 20714), (1950, 10357)]