20015968

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4703}}^1$

素因数の和:4739

約数の個数: 48

約数和(自身を含む): 47416320

約数和(自身を除く): 27400352

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 4703, 9406, 18812, 32921, 37624, 65842, 75248, 89357, 131684, 150496, 178714, 263368, 357428, 526736, 625499, 714856, 1053472, 1250998, 1429712, 2501996, 2859424, 5003992, 10007984, 20015968]

約数ペア:

[(1, 20015968), (2, 10007984), (4, 5003992), (7, 2859424), (8, 2501996), (14, 1429712), (16, 1250998), (19, 1053472), (28, 714856), (32, 625499), (38, 526736), (56, 357428), (76, 263368), (112, 178714), (133, 150496), (152, 131684), (224, 89357), (266, 75248), (304, 65842), (532, 37624), (608, 32921), (1064, 18812), (2128, 9406), (4256, 4703)]