20949012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1409}}^1$

素因数の和:1485

約数の個数: 72

約数和(自身を含む): 61588800

約数和(自身を除く): 40639788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 59, 63, 84, 118, 126, 177, 236, 252, 354, 413, 531, 708, 826, 1062, 1239, 1409, 1652, 2124, 2478, 2818, 3717, 4227, 4956, 5636, 7434, 8454, 9863, 12681, 14868, 16908, 19726, 25362, 29589, 39452, 50724, 59178, 83131, 88767, 118356, 166262, 177534, 249393, 332524, 355068, 498786, 581917, 748179, 997572, 1163834, 1496358, 1745751, 2327668, 2992716, 3491502, 5237253, 6983004, 10474506, 20949012]

約数ペア:

[(1, 20949012), (2, 10474506), (3, 6983004), (4, 5237253), (6, 3491502), (7, 2992716), (9, 2327668), (12, 1745751), (14, 1496358), (18, 1163834), (21, 997572), (28, 748179), (36, 581917), (42, 498786), (59, 355068), (63, 332524), (84, 249393), (118, 177534), (126, 166262), (177, 118356), (236, 88767), (252, 83131), (354, 59178), (413, 50724), (531, 39452), (708, 29589), (826, 25362), (1062, 19726), (1239, 16908), (1409, 14868), (1652, 12681), (2124, 9863), (2478, 8454), (2818, 7434), (3717, 5636), (4227, 4956)]