20588876

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 46475520

約数和(自身を除く): 25886644

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 59, 77, 103, 118, 121, 154, 206, 236, 242, 308, 412, 413, 484, 649, 721, 826, 847, 1133, 1298, 1442, 1652, 1694, 2266, 2596, 2884, 3388, 4532, 4543, 6077, 7139, 7931, 9086, 12154, 12463, 14278, 15862, 18172, 24308, 24926, 28556, 31724, 42539, 49852, 49973, 66847, 85078, 87241, 99946, 133694, 170156, 174482, 199892, 267388, 348964, 467929, 735317, 935858, 1470634, 1871716, 2941268, 5147219, 10294438, 20588876]

約数ペア:

[(1, 20588876), (2, 10294438), (4, 5147219), (7, 2941268), (11, 1871716), (14, 1470634), (22, 935858), (28, 735317), (44, 467929), (59, 348964), (77, 267388), (103, 199892), (118, 174482), (121, 170156), (154, 133694), (206, 99946), (236, 87241), (242, 85078), (308, 66847), (412, 49973), (413, 49852), (484, 42539), (649, 31724), (721, 28556), (826, 24926), (847, 24308), (1133, 18172), (1298, 15862), (1442, 14278), (1652, 12463), (1694, 12154), (2266, 9086), (2596, 7931), (2884, 7139), (3388, 6077), (4532, 4543)]