20705130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7933}}^1$

素因数の和:7975

約数の個数: 48

約数和(自身を含む): 55696680

約数和(自身を除く): 34991550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 7933, 15866, 23799, 39665, 47598, 71397, 79330, 118995, 142794, 230057, 237990, 356985, 460114, 690171, 713970, 1150285, 1380342, 2070513, 2300570, 3450855, 4141026, 6901710, 10352565, 20705130]

約数ペア:

[(1, 20705130), (2, 10352565), (3, 6901710), (5, 4141026), (6, 3450855), (9, 2300570), (10, 2070513), (15, 1380342), (18, 1150285), (29, 713970), (30, 690171), (45, 460114), (58, 356985), (87, 237990), (90, 230057), (145, 142794), (174, 118995), (261, 79330), (290, 71397), (435, 47598), (522, 39665), (870, 23799), (1305, 15866), (2610, 7933)]