20092520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{983}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 52427520

約数和(自身を除く): 32335000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 983, 1022, 1460, 1966, 2044, 2555, 2920, 3932, 4088, 4915, 5110, 6881, 7864, 9830, 10220, 13762, 19660, 20440, 27524, 34405, 39320, 55048, 68810, 71759, 137620, 143518, 275240, 287036, 358795, 502313, 574072, 717590, 1004626, 1435180, 2009252, 2511565, 2870360, 4018504, 5023130, 10046260, 20092520]

約数ペア:

[(1, 20092520), (2, 10046260), (4, 5023130), (5, 4018504), (7, 2870360), (8, 2511565), (10, 2009252), (14, 1435180), (20, 1004626), (28, 717590), (35, 574072), (40, 502313), (56, 358795), (70, 287036), (73, 275240), (140, 143518), (146, 137620), (280, 71759), (292, 68810), (365, 55048), (511, 39320), (584, 34405), (730, 27524), (983, 20440), (1022, 19660), (1460, 13762), (1966, 10220), (2044, 9830), (2555, 7864), (2920, 6881), (3932, 5110), (4088, 4915)]