20851584

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4177}}^1$

素因数の和:4207

約数の個数: 64

約数和(自身を含む): 59661840

約数和(自身を除く): 38810256

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 312, 384, 416, 624, 832, 1248, 1664, 2496, 4177, 4992, 8354, 12531, 16708, 25062, 33416, 50124, 54301, 66832, 100248, 108602, 133664, 162903, 200496, 217204, 267328, 325806, 400992, 434408, 534656, 651612, 801984, 868816, 1303224, 1603968, 1737632, 2606448, 3475264, 5212896, 6950528, 10425792, 20851584]

約数ペア:

[(1, 20851584), (2, 10425792), (3, 6950528), (4, 5212896), (6, 3475264), (8, 2606448), (12, 1737632), (13, 1603968), (16, 1303224), (24, 868816), (26, 801984), (32, 651612), (39, 534656), (48, 434408), (52, 400992), (64, 325806), (78, 267328), (96, 217204), (104, 200496), (128, 162903), (156, 133664), (192, 108602), (208, 100248), (312, 66832), (384, 54301), (416, 50124), (624, 33416), (832, 25062), (1248, 16708), (1664, 12531), (2496, 8354), (4177, 4992)]