2013904940

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{641371}}^1$

素因数の和:641537

約数の個数: 24

約数和(自身を含む): 4256144592

約数和(自身を除く): 2242239652

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 641371, 1282742, 2565484, 3206855, 6413710, 12827420, 100695247, 201390494, 402780988, 503476235, 1006952470, 2013904940]

約数ペア:

[(1, 2013904940), (2, 1006952470), (4, 503476235), (5, 402780988), (10, 201390494), (20, 100695247), (157, 12827420), (314, 6413710), (628, 3206855), (785, 2565484), (1570, 1282742), (3140, 641371)]