20655300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2269

約数の個数: 72

約数和(自身を含む): 61718272

約数和(自身を除く): 41062972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 2221, 2325, 3100, 4442, 4650, 6663, 8884, 9300, 11105, 13326, 22210, 26652, 33315, 44420, 55525, 66630, 68851, 111050, 133260, 137702, 166575, 206553, 222100, 275404, 333150, 344255, 413106, 666300, 688510, 826212, 1032765, 1377020, 1721275, 2065530, 3442550, 4131060, 5163825, 6885100, 10327650, 20655300]

約数ペア:

[(1, 20655300), (2, 10327650), (3, 6885100), (4, 5163825), (5, 4131060), (6, 3442550), (10, 2065530), (12, 1721275), (15, 1377020), (20, 1032765), (25, 826212), (30, 688510), (31, 666300), (50, 413106), (60, 344255), (62, 333150), (75, 275404), (93, 222100), (100, 206553), (124, 166575), (150, 137702), (155, 133260), (186, 111050), (300, 68851), (310, 66630), (372, 55525), (465, 44420), (620, 33315), (775, 26652), (930, 22210), (1550, 13326), (1860, 11105), (2221, 9300), (2325, 8884), (3100, 6663), (4442, 4650)]