20473290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 55019520

約数和(自身を除く): 34546230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 191, 270, 382, 397, 573, 794, 955, 1146, 1191, 1719, 1910, 1985, 2382, 2865, 3438, 3573, 3970, 5157, 5730, 5955, 7146, 8595, 10314, 10719, 11910, 17190, 17865, 21438, 25785, 35730, 51570, 53595, 75827, 107190, 151654, 227481, 379135, 454962, 682443, 758270, 1137405, 1364886, 2047329, 2274810, 3412215, 4094658, 6824430, 10236645, 20473290]

約数ペア:

[(1, 20473290), (2, 10236645), (3, 6824430), (5, 4094658), (6, 3412215), (9, 2274810), (10, 2047329), (15, 1364886), (18, 1137405), (27, 758270), (30, 682443), (45, 454962), (54, 379135), (90, 227481), (135, 151654), (191, 107190), (270, 75827), (382, 53595), (397, 51570), (573, 35730), (794, 25785), (955, 21438), (1146, 17865), (1191, 17190), (1719, 11910), (1910, 10719), (1985, 10314), (2382, 8595), (2865, 7146), (3438, 5955), (3573, 5730), (3970, 5157)]