20046740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8423}}^1$

素因数の和:8456

約数の個数: 48

約数和(自身を含む): 50948352

約数和(自身を除く): 30901612

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8423, 16846, 33692, 42115, 58961, 84230, 117922, 143191, 168460, 235844, 286382, 294805, 572764, 589610, 715955, 1002337, 1179220, 1431910, 2004674, 2863820, 4009348, 5011685, 10023370, 20046740]

約数ペア:

[(1, 20046740), (2, 10023370), (4, 5011685), (5, 4009348), (7, 2863820), (10, 2004674), (14, 1431910), (17, 1179220), (20, 1002337), (28, 715955), (34, 589610), (35, 572764), (68, 294805), (70, 286382), (85, 235844), (119, 168460), (140, 143191), (170, 117922), (238, 84230), (340, 58961), (476, 42115), (595, 33692), (1190, 16846), (2380, 8423)]