20103465620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1967071}}^1$

素因数の和:1967160

約数の個数: 48

約数和(自身を含む): 48909278208

約数和(自身を除く): 28805812588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 1967071, 3934142, 7868284, 9835355, 13769497, 19670710, 27538994, 39341420, 55077988, 68847485, 137694970, 143596183, 275389940, 287192366, 574384732, 717980915, 1005173281, 1435961830, 2010346562, 2871923660, 4020693124, 5025866405, 10051732810, 20103465620]

約数ペア:

[(1, 20103465620), (2, 10051732810), (4, 5025866405), (5, 4020693124), (7, 2871923660), (10, 2010346562), (14, 1435961830), (20, 1005173281), (28, 717980915), (35, 574384732), (70, 287192366), (73, 275389940), (140, 143596183), (146, 137694970), (292, 68847485), (365, 55077988), (511, 39341420), (730, 27538994), (1022, 19670710), (1460, 13769497), (2044, 9835355), (2555, 7868284), (5110, 3934142), (10220, 1967071)]