20438850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1531}}^1$

素因数の和:1635

約数の個数: 48

約数和(自身を含む): 51291360

約数和(自身を除く): 30852510

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 89, 150, 178, 267, 445, 534, 890, 1335, 1531, 2225, 2670, 3062, 4450, 4593, 6675, 7655, 9186, 13350, 15310, 22965, 38275, 45930, 76550, 114825, 136259, 229650, 272518, 408777, 681295, 817554, 1362590, 2043885, 3406475, 4087770, 6812950, 10219425, 20438850]

約数ペア:

[(1, 20438850), (2, 10219425), (3, 6812950), (5, 4087770), (6, 3406475), (10, 2043885), (15, 1362590), (25, 817554), (30, 681295), (50, 408777), (75, 272518), (89, 229650), (150, 136259), (178, 114825), (267, 76550), (445, 45930), (534, 38275), (890, 22965), (1335, 15310), (1531, 13350), (2225, 9186), (2670, 7655), (3062, 6675), (4450, 4593)]