20808548704

素因数分解:

$2^5\times {\mathrm{163}}^1\times {\mathrm{1637}}^1\times {\mathrm{2437}}^1$

素因数の和:4247

約数の個数: 48

約数和(自身を含む): 41260263408

約数和(自身を除く): 20451714704

約数列:

[1, 2, 4, 8, 16, 32, 163, 326, 652, 1304, 1637, 2437, 2608, 3274, 4874, 5216, 6548, 9748, 13096, 19496, 26192, 38992, 52384, 77984, 266831, 397231, 533662, 794462, 1067324, 1588924, 2134648, 3177848, 3989369, 4269296, 6355696, 7978738, 8538592, 12711392, 15957476, 31914952, 63829904, 127659808, 650267147, 1300534294, 2601068588, 5202137176, 10404274352, 20808548704]

約数ペア:

[(1, 20808548704), (2, 10404274352), (4, 5202137176), (8, 2601068588), (16, 1300534294), (32, 650267147), (163, 127659808), (326, 63829904), (652, 31914952), (1304, 15957476), (1637, 12711392), (2437, 8538592), (2608, 7978738), (3274, 6355696), (4874, 4269296), (5216, 3989369), (6548, 3177848), (9748, 2134648), (13096, 1588924), (19496, 1067324), (26192, 794462), (38992, 533662), (52384, 397231), (77984, 266831)]