20120928

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{12329}}^1$

素因数の和:12359

約数の個数: 48

約数和(自身を含む): 55928880

約数和(自身を除く): 35807952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 12329, 24658, 36987, 49316, 73974, 98632, 147948, 197264, 209593, 295896, 394528, 419186, 591792, 628779, 838372, 1183584, 1257558, 1676744, 2515116, 3353488, 5030232, 6706976, 10060464, 20120928]

約数ペア:

[(1, 20120928), (2, 10060464), (3, 6706976), (4, 5030232), (6, 3353488), (8, 2515116), (12, 1676744), (16, 1257558), (17, 1183584), (24, 838372), (32, 628779), (34, 591792), (48, 419186), (51, 394528), (68, 295896), (96, 209593), (102, 197264), (136, 147948), (204, 98632), (272, 73974), (408, 49316), (544, 36987), (816, 24658), (1632, 12329)]