20725050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4457}}^1$

素因数の和:4503

約数の個数: 48

約数和(自身を含む): 53068032

約数和(自身を除く): 32342982

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 150, 155, 186, 310, 465, 775, 930, 1550, 2325, 4457, 4650, 8914, 13371, 22285, 26742, 44570, 66855, 111425, 133710, 138167, 222850, 276334, 334275, 414501, 668550, 690835, 829002, 1381670, 2072505, 3454175, 4145010, 6908350, 10362525, 20725050]

約数ペア:

[(1, 20725050), (2, 10362525), (3, 6908350), (5, 4145010), (6, 3454175), (10, 2072505), (15, 1381670), (25, 829002), (30, 690835), (31, 668550), (50, 414501), (62, 334275), (75, 276334), (93, 222850), (150, 138167), (155, 133710), (186, 111425), (310, 66855), (465, 44570), (775, 26742), (930, 22285), (1550, 13371), (2325, 8914), (4457, 4650)]