20072015980

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{691}}^1\times {\mathrm{12853}}^1$

素因数の和:13666

約数の個数: 48

約数和(自身を含む): 42589106784

約数和(自身を除く): 22517090804

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 691, 1130, 1382, 2260, 2764, 3455, 6910, 12853, 13820, 25706, 51412, 64265, 78083, 128530, 156166, 257060, 312332, 390415, 780830, 1452389, 1561660, 2904778, 5809556, 7261945, 8881423, 14523890, 17762846, 29047780, 35525692, 44407115, 88814230, 177628460, 1003600799, 2007201598, 4014403196, 5018003995, 10036007990, 20072015980]

約数ペア:

[(1, 20072015980), (2, 10036007990), (4, 5018003995), (5, 4014403196), (10, 2007201598), (20, 1003600799), (113, 177628460), (226, 88814230), (452, 44407115), (565, 35525692), (691, 29047780), (1130, 17762846), (1382, 14523890), (2260, 8881423), (2764, 7261945), (3455, 5809556), (6910, 2904778), (12853, 1561660), (13820, 1452389), (25706, 780830), (51412, 390415), (64265, 312332), (78083, 257060), (128530, 156166)]