20125081580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1708411}}^1$

素因数の和:1708470

約数の個数: 48

約数和(自身を含む): 45922114560

約数和(自身を除く): 25797032980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 1708411, 3416822, 6833644, 8542055, 17084110, 32459809, 34168220, 52960741, 64919618, 105921482, 129839236, 162299045, 211842964, 264803705, 324598090, 529607410, 649196180, 1006254079, 1059214820, 2012508158, 4025016316, 5031270395, 10062540790, 20125081580]

約数ペア:

[(1, 20125081580), (2, 10062540790), (4, 5031270395), (5, 4025016316), (10, 2012508158), (19, 1059214820), (20, 1006254079), (31, 649196180), (38, 529607410), (62, 324598090), (76, 264803705), (95, 211842964), (124, 162299045), (155, 129839236), (190, 105921482), (310, 64919618), (380, 52960741), (589, 34168220), (620, 32459809), (1178, 17084110), (2356, 8542055), (2945, 6833644), (5890, 3416822), (11780, 1708411)]