20719470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22279}}^1$

素因数の和:22320

約数の個数: 32

約数和(自身を含む): 51333120

約数和(自身を除く): 30613650

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 22279, 44558, 66837, 111395, 133674, 222790, 334185, 668370, 690649, 1381298, 2071947, 3453245, 4143894, 6906490, 10359735, 20719470]

約数ペア:

[(1, 20719470), (2, 10359735), (3, 6906490), (5, 4143894), (6, 3453245), (10, 2071947), (15, 1381298), (30, 690649), (31, 668370), (62, 334185), (93, 222790), (155, 133674), (186, 111395), (310, 66837), (465, 44558), (930, 22279)]