19840620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10667}}^1$

素因数の和:10710

約数の個数: 48

約数和(自身を含む): 57351168

約数和(自身を除く): 37510548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10667, 21334, 32001, 42668, 53335, 64002, 106670, 128004, 160005, 213340, 320010, 330677, 640020, 661354, 992031, 1322708, 1653385, 1984062, 3306770, 3968124, 4960155, 6613540, 9920310, 19840620]

約数ペア:

[(1, 19840620), (2, 9920310), (3, 6613540), (4, 4960155), (5, 3968124), (6, 3306770), (10, 1984062), (12, 1653385), (15, 1322708), (20, 992031), (30, 661354), (31, 640020), (60, 330677), (62, 320010), (93, 213340), (124, 160005), (155, 128004), (186, 106670), (310, 64002), (372, 53335), (465, 42668), (620, 32001), (930, 21334), (1860, 10667)]