205060020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{310697}}^1$

素因数の和:310720

約数の個数: 48

約数和(自身を含む): 626367168

約数和(自身を除く): 421307148

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 310697, 621394, 932091, 1242788, 1553485, 1864182, 3106970, 3417667, 3728364, 4660455, 6213940, 6835334, 9320910, 10253001, 13670668, 17088335, 18641820, 20506002, 34176670, 41012004, 51265005, 68353340, 102530010, 205060020]

約数ペア:

[(1, 205060020), (2, 102530010), (3, 68353340), (4, 51265005), (5, 41012004), (6, 34176670), (10, 20506002), (11, 18641820), (12, 17088335), (15, 13670668), (20, 10253001), (22, 9320910), (30, 6835334), (33, 6213940), (44, 4660455), (55, 3728364), (60, 3417667), (66, 3106970), (110, 1864182), (132, 1553485), (165, 1242788), (220, 932091), (330, 621394), (660, 310697)]