20704554

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3847}}^1$

素因数の和:3891

約数の個数: 48

約数和(自身を含む): 50424192

約数和(自身を除く): 29719638

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 299, 414, 598, 897, 1794, 2691, 3847, 5382, 7694, 11541, 23082, 34623, 50011, 69246, 88481, 100022, 150033, 176962, 265443, 300066, 450099, 530886, 796329, 900198, 1150253, 1592658, 2300506, 3450759, 6901518, 10352277, 20704554]

約数ペア:

[(1, 20704554), (2, 10352277), (3, 6901518), (6, 3450759), (9, 2300506), (13, 1592658), (18, 1150253), (23, 900198), (26, 796329), (39, 530886), (46, 450099), (69, 300066), (78, 265443), (117, 176962), (138, 150033), (207, 100022), (234, 88481), (299, 69246), (414, 50011), (598, 34623), (897, 23082), (1794, 11541), (2691, 7694), (3847, 5382)]