20120772

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1801}}^1$

素因数の和:1841

約数の個数: 72

約数和(自身を含む): 57519840

約数和(自身を除く): 37399068

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1801, 1862, 2793, 3602, 3724, 5403, 5586, 7204, 10806, 11172, 12607, 21612, 25214, 34219, 37821, 50428, 68438, 75642, 88249, 102657, 136876, 151284, 176498, 205314, 239533, 264747, 352996, 410628, 479066, 529494, 718599, 958132, 1058988, 1437198, 1676731, 2874396, 3353462, 5030193, 6706924, 10060386, 20120772]

約数ペア:

[(1, 20120772), (2, 10060386), (3, 6706924), (4, 5030193), (6, 3353462), (7, 2874396), (12, 1676731), (14, 1437198), (19, 1058988), (21, 958132), (28, 718599), (38, 529494), (42, 479066), (49, 410628), (57, 352996), (76, 264747), (84, 239533), (98, 205314), (114, 176498), (133, 151284), (147, 136876), (196, 102657), (228, 88249), (266, 75642), (294, 68438), (399, 50428), (532, 37821), (588, 34219), (798, 25214), (931, 21612), (1596, 12607), (1801, 11172), (1862, 10806), (2793, 7204), (3602, 5586), (3724, 5403)]