20239768720

素因数分解:

$2^4\times 5^1\times {\mathrm{2731}}^1\times {\mathrm{92639}}^1$

素因数の和:95383

約数の個数: 40

約数和(自身を含む): 47075201280

約数和(自身を除く): 26835432560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2731, 5462, 10924, 13655, 21848, 27310, 43696, 54620, 92639, 109240, 185278, 218480, 370556, 463195, 741112, 926390, 1482224, 1852780, 3705560, 7411120, 252997109, 505994218, 1011988436, 1264985545, 2023976872, 2529971090, 4047953744, 5059942180, 10119884360, 20239768720]

約数ペア:

[(1, 20239768720), (2, 10119884360), (4, 5059942180), (5, 4047953744), (8, 2529971090), (10, 2023976872), (16, 1264985545), (20, 1011988436), (40, 505994218), (80, 252997109), (2731, 7411120), (5462, 3705560), (10924, 1852780), (13655, 1482224), (21848, 926390), (27310, 741112), (43696, 463195), (54620, 370556), (92639, 218480), (109240, 185278)]