20342878088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{3499}}^1\times {\mathrm{55903}}^1$

素因数の和:59421

約数の個数: 32

約数和(自身を含む): 41089440000

約数和(自身を除く): 20746561912

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 3499, 6998, 13996, 27992, 45487, 55903, 90974, 111806, 181948, 223612, 363896, 447224, 726739, 1453478, 2906956, 5813912, 195604597, 391209194, 782418388, 1564836776, 2542859761, 5085719522, 10171439044, 20342878088]

約数ペア:

[(1, 20342878088), (2, 10171439044), (4, 5085719522), (8, 2542859761), (13, 1564836776), (26, 782418388), (52, 391209194), (104, 195604597), (3499, 5813912), (6998, 2906956), (13996, 1453478), (27992, 726739), (45487, 447224), (55903, 363896), (90974, 223612), (111806, 181948)]