20861724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{773}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 52792992

約数和(自身を除く): 31931268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 173, 346, 519, 692, 773, 1038, 1546, 2076, 2249, 2319, 3092, 4498, 4638, 6747, 8996, 9276, 10049, 13494, 20098, 26988, 30147, 40196, 60294, 120588, 133729, 267458, 401187, 534916, 802374, 1604748, 1738477, 3476954, 5215431, 6953908, 10430862, 20861724]

約数ペア:

[(1, 20861724), (2, 10430862), (3, 6953908), (4, 5215431), (6, 3476954), (12, 1738477), (13, 1604748), (26, 802374), (39, 534916), (52, 401187), (78, 267458), (156, 133729), (173, 120588), (346, 60294), (519, 40196), (692, 30147), (773, 26988), (1038, 20098), (1546, 13494), (2076, 10049), (2249, 9276), (2319, 8996), (3092, 6747), (4498, 4638)]