20704380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1481}}^1$

素因数の和:1726

約数の個数: 48

約数和(自身を含む): 58260384

約数和(自身を除く): 37556004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 233, 466, 699, 932, 1165, 1398, 1481, 2330, 2796, 2962, 3495, 4443, 4660, 5924, 6990, 7405, 8886, 13980, 14810, 17772, 22215, 29620, 44430, 88860, 345073, 690146, 1035219, 1380292, 1725365, 2070438, 3450730, 4140876, 5176095, 6901460, 10352190, 20704380]

約数ペア:

[(1, 20704380), (2, 10352190), (3, 6901460), (4, 5176095), (5, 4140876), (6, 3450730), (10, 2070438), (12, 1725365), (15, 1380292), (20, 1035219), (30, 690146), (60, 345073), (233, 88860), (466, 44430), (699, 29620), (932, 22215), (1165, 17772), (1398, 14810), (1481, 13980), (2330, 8886), (2796, 7405), (2962, 6990), (3495, 5924), (4443, 4660)]