20253890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 38007360

約数和(自身を除く): 17753470

約数列:

[1, 2, 5, 10, 29, 58, 145, 211, 290, 331, 422, 662, 1055, 1655, 2110, 3310, 6119, 9599, 12238, 19198, 30595, 47995, 61190, 69841, 95990, 139682, 349205, 698410, 2025389, 4050778, 10126945, 20253890]

約数ペア:

[(1, 20253890), (2, 10126945), (5, 4050778), (10, 2025389), (29, 698410), (58, 349205), (145, 139682), (211, 95990), (290, 69841), (331, 61190), (422, 47995), (662, 30595), (1055, 19198), (1655, 12238), (2110, 9599), (3310, 6119)]