16955260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{743}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 40997376

約数和(自身を除く): 24042116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 743, 815, 1141, 1486, 1630, 2282, 2972, 3260, 3715, 4564, 5201, 5705, 7430, 10402, 11410, 14860, 20804, 22820, 26005, 52010, 104020, 121109, 242218, 484436, 605545, 847763, 1211090, 1695526, 2422180, 3391052, 4238815, 8477630, 16955260]

約数ペア:

[(1, 16955260), (2, 8477630), (4, 4238815), (5, 3391052), (7, 2422180), (10, 1695526), (14, 1211090), (20, 847763), (28, 605545), (35, 484436), (70, 242218), (140, 121109), (163, 104020), (326, 52010), (652, 26005), (743, 22820), (815, 20804), (1141, 14860), (1486, 11410), (1630, 10402), (2282, 7430), (2972, 5705), (3260, 5201), (3715, 4564)]