20165069860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{350941}}^1$

素因数の和:350993

約数の個数: 72

約数和(自身を含む): 48552123816

約数和(自身を除く): 28387053956

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 1105, 1690, 2210, 2873, 3380, 4420, 5746, 11492, 14365, 28730, 57460, 350941, 701882, 1403764, 1754705, 3509410, 4562233, 5965997, 7018820, 9124466, 11931994, 18248932, 22811165, 23863988, 29829985, 45622330, 59309029, 59659970, 77557961, 91244660, 118618058, 119319940, 155115922, 237236116, 296545145, 310231844, 387789805, 593090290, 775579610, 1008253493, 1186180580, 1551159220, 2016506986, 4033013972, 5041267465, 10082534930, 20165069860]

約数ペア:

[(1, 20165069860), (2, 10082534930), (4, 5041267465), (5, 4033013972), (10, 2016506986), (13, 1551159220), (17, 1186180580), (20, 1008253493), (26, 775579610), (34, 593090290), (52, 387789805), (65, 310231844), (68, 296545145), (85, 237236116), (130, 155115922), (169, 119319940), (170, 118618058), (221, 91244660), (260, 77557961), (338, 59659970), (340, 59309029), (442, 45622330), (676, 29829985), (845, 23863988), (884, 22811165), (1105, 18248932), (1690, 11931994), (2210, 9124466), (2873, 7018820), (3380, 5965997), (4420, 4562233), (5746, 3509410), (11492, 1754705), (14365, 1403764), (28730, 701882), (57460, 350941)]