20365120

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2767}}^1$

素因数の和:2807

約数の個数: 56

約数和(自身を含む): 50621184

約数和(自身を除く): 30256064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 2767, 3680, 5534, 7360, 11068, 13835, 22136, 27670, 44272, 55340, 63641, 88544, 110680, 127282, 177088, 221360, 254564, 318205, 442720, 509128, 636410, 885440, 1018256, 1272820, 2036512, 2545640, 4073024, 5091280, 10182560, 20365120]

約数ペア:

[(1, 20365120), (2, 10182560), (4, 5091280), (5, 4073024), (8, 2545640), (10, 2036512), (16, 1272820), (20, 1018256), (23, 885440), (32, 636410), (40, 509128), (46, 442720), (64, 318205), (80, 254564), (92, 221360), (115, 177088), (160, 127282), (184, 110680), (230, 88544), (320, 63641), (368, 55340), (460, 44272), (736, 27670), (920, 22136), (1472, 13835), (1840, 11068), (2767, 7360), (3680, 5534)]