20449026

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2819}}^1$

素因数の和:2871

約数の個数: 48

約数和(自身を含む): 49271040

約数和(自身を除く): 28822014

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 2819, 3627, 5638, 7254, 8457, 16914, 25371, 36647, 50742, 73294, 87389, 109941, 174778, 219882, 262167, 329823, 524334, 659646, 786501, 1136057, 1573002, 2272114, 3408171, 6816342, 10224513, 20449026]

約数ペア:

[(1, 20449026), (2, 10224513), (3, 6816342), (6, 3408171), (9, 2272114), (13, 1573002), (18, 1136057), (26, 786501), (31, 659646), (39, 524334), (62, 329823), (78, 262167), (93, 219882), (117, 174778), (186, 109941), (234, 87389), (279, 73294), (403, 50742), (558, 36647), (806, 25371), (1209, 16914), (2418, 8457), (2819, 7254), (3627, 5638)]