20120681616

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{122963}}^1$

素因数の和:123468

約数の個数: 80

約数和(自身を含む): 59526380544

約数和(自身を除く): 39405698928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 487, 974, 1461, 1948, 2922, 3409, 3896, 5844, 6818, 7792, 10227, 11688, 13636, 20454, 23376, 27272, 40908, 54544, 81816, 122963, 163632, 245926, 368889, 491852, 737778, 860741, 983704, 1475556, 1721482, 1967408, 2582223, 2951112, 3442964, 5164446, 5902224, 6885928, 10328892, 13771856, 20657784, 41315568, 59882981, 119765962, 179648943, 239531924, 359297886, 419180867, 479063848, 718595772, 838361734, 958127696, 1257542601, 1437191544, 1676723468, 2515085202, 2874383088, 3353446936, 5030170404, 6706893872, 10060340808, 20120681616]

約数ペア:

[(1, 20120681616), (2, 10060340808), (3, 6706893872), (4, 5030170404), (6, 3353446936), (7, 2874383088), (8, 2515085202), (12, 1676723468), (14, 1437191544), (16, 1257542601), (21, 958127696), (24, 838361734), (28, 718595772), (42, 479063848), (48, 419180867), (56, 359297886), (84, 239531924), (112, 179648943), (168, 119765962), (336, 59882981), (487, 41315568), (974, 20657784), (1461, 13771856), (1948, 10328892), (2922, 6885928), (3409, 5902224), (3896, 5164446), (5844, 3442964), (6818, 2951112), (7792, 2582223), (10227, 1967408), (11688, 1721482), (13636, 1475556), (20454, 983704), (23376, 860741), (27272, 737778), (40908, 491852), (54544, 368889), (81816, 245926), (122963, 163632)]