19660620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{46811}}^1$

素因数の和:46830

約数の個数: 48

約数和(自身を含む): 62915328

約数和(自身を除く): 43254708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 46811, 93622, 140433, 187244, 234055, 280866, 327677, 468110, 561732, 655354, 702165, 936220, 983031, 1310708, 1404330, 1638385, 1966062, 2808660, 3276770, 3932124, 4915155, 6553540, 9830310, 19660620]

約数ペア:

[(1, 19660620), (2, 9830310), (3, 6553540), (4, 4915155), (5, 3932124), (6, 3276770), (7, 2808660), (10, 1966062), (12, 1638385), (14, 1404330), (15, 1310708), (20, 983031), (21, 936220), (28, 702165), (30, 655354), (35, 561732), (42, 468110), (60, 327677), (70, 280866), (84, 234055), (105, 187244), (140, 140433), (210, 93622), (420, 46811)]