20796730

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 38533248

約数和(自身を除く): 17736518

約数列:

[1, 2, 5, 10, 61, 103, 122, 206, 305, 331, 515, 610, 662, 1030, 1655, 3310, 6283, 12566, 20191, 31415, 34093, 40382, 62830, 68186, 100955, 170465, 201910, 340930, 2079673, 4159346, 10398365, 20796730]

約数ペア:

[(1, 20796730), (2, 10398365), (5, 4159346), (10, 2079673), (61, 340930), (103, 201910), (122, 170465), (206, 100955), (305, 68186), (331, 62830), (515, 40382), (610, 34093), (662, 31415), (1030, 20191), (1655, 12566), (3310, 6283)]