20121078460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4463}}^1\times {\mathrm{32203}}^1$

素因数の和:36682

約数の個数: 48

約数和(自身を含む): 48302908416

約数和(自身を除く): 28181829956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4463, 8926, 17852, 22315, 31241, 32203, 44630, 62482, 64406, 89260, 124964, 128812, 156205, 161015, 225421, 312410, 322030, 450842, 624820, 644060, 901684, 1127105, 2254210, 4508420, 143721989, 287443978, 574887956, 718609945, 1006053923, 1437219890, 2012107846, 2874439780, 4024215692, 5030269615, 10060539230, 20121078460]

約数ペア:

[(1, 20121078460), (2, 10060539230), (4, 5030269615), (5, 4024215692), (7, 2874439780), (10, 2012107846), (14, 1437219890), (20, 1006053923), (28, 718609945), (35, 574887956), (70, 287443978), (140, 143721989), (4463, 4508420), (8926, 2254210), (17852, 1127105), (22315, 901684), (31241, 644060), (32203, 624820), (44630, 450842), (62482, 322030), (64406, 312410), (89260, 225421), (124964, 161015), (128812, 156205)]