20634180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{673}}^1$

素因数の和:765

約数の個数: 96

約数和(自身を含む): 67033344

約数和(自身を除く): 46399164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 292, 365, 420, 438, 511, 673, 730, 876, 1022, 1095, 1346, 1460, 1533, 2019, 2044, 2190, 2555, 2692, 3066, 3365, 4038, 4380, 4711, 5110, 6132, 6730, 7665, 8076, 9422, 10095, 10220, 13460, 14133, 15330, 18844, 20190, 23555, 28266, 30660, 40380, 47110, 49129, 56532, 70665, 94220, 98258, 141330, 147387, 196516, 245645, 282660, 294774, 343903, 491290, 589548, 687806, 736935, 982580, 1031709, 1375612, 1473870, 1719515, 2063418, 2947740, 3439030, 4126836, 5158545, 6878060, 10317090, 20634180]

約数ペア:

[(1, 20634180), (2, 10317090), (3, 6878060), (4, 5158545), (5, 4126836), (6, 3439030), (7, 2947740), (10, 2063418), (12, 1719515), (14, 1473870), (15, 1375612), (20, 1031709), (21, 982580), (28, 736935), (30, 687806), (35, 589548), (42, 491290), (60, 343903), (70, 294774), (73, 282660), (84, 245645), (105, 196516), (140, 147387), (146, 141330), (210, 98258), (219, 94220), (292, 70665), (365, 56532), (420, 49129), (438, 47110), (511, 40380), (673, 30660), (730, 28266), (876, 23555), (1022, 20190), (1095, 18844), (1346, 15330), (1460, 14133), (1533, 13460), (2019, 10220), (2044, 10095), (2190, 9422), (2555, 8076), (2692, 7665), (3066, 6730), (3365, 6132), (4038, 5110), (4380, 4711)]