20218402806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{599}}^1$

素因数の和:894

約数の個数: 128

約数和(自身を含む): 47824128000

約数和(自身を除く): 27605725194

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 101, 109, 146, 202, 218, 219, 303, 327, 438, 511, 599, 606, 654, 707, 763, 1022, 1198, 1414, 1526, 1533, 1797, 2121, 2289, 3066, 3594, 4193, 4242, 4578, 7373, 7957, 8386, 11009, 12579, 14746, 15914, 22018, 22119, 23871, 25158, 33027, 43727, 44238, 47742, 51611, 55699, 60499, 65291, 66054, 77063, 87454, 103222, 111398, 120998, 130582, 131181, 154126, 154833, 167097, 181497, 195873, 231189, 262362, 306089, 309666, 334194, 362994, 391746, 423493, 457037, 462378, 612178, 803657, 846986, 914074, 918267, 1270479, 1371111, 1607314, 1836534, 2410971, 2540958, 2742222, 4416427, 4766243, 4821942, 5625599, 6594391, 8832854, 9532486, 11251198, 13188782, 13249281, 14298729, 16876797, 19783173, 26498562, 28597458, 30914989, 33363701, 33753594, 39566346, 46160737, 61829978, 66727402, 92321474, 92744967, 100091103, 138482211, 185489934, 200182206, 276964422, 481390543, 962781086, 1444171629, 2888343258, 3369733801, 6739467602, 10109201403, 20218402806]

約数ペア:

[(1, 20218402806), (2, 10109201403), (3, 6739467602), (6, 3369733801), (7, 2888343258), (14, 1444171629), (21, 962781086), (42, 481390543), (73, 276964422), (101, 200182206), (109, 185489934), (146, 138482211), (202, 100091103), (218, 92744967), (219, 92321474), (303, 66727402), (327, 61829978), (438, 46160737), (511, 39566346), (599, 33753594), (606, 33363701), (654, 30914989), (707, 28597458), (763, 26498562), (1022, 19783173), (1198, 16876797), (1414, 14298729), (1526, 13249281), (1533, 13188782), (1797, 11251198), (2121, 9532486), (2289, 8832854), (3066, 6594391), (3594, 5625599), (4193, 4821942), (4242, 4766243), (4578, 4416427), (7373, 2742222), (7957, 2540958), (8386, 2410971), (11009, 1836534), (12579, 1607314), (14746, 1371111), (15914, 1270479), (22018, 918267), (22119, 914074), (23871, 846986), (25158, 803657), (33027, 612178), (43727, 462378), (44238, 457037), (47742, 423493), (51611, 391746), (55699, 362994), (60499, 334194), (65291, 309666), (66054, 306089), (77063, 262362), (87454, 231189), (103222, 195873), (111398, 181497), (120998, 167097), (130582, 154833), (131181, 154126)]