20763358

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:158

約数の個数: 72

約数和(自身を含む): 42574896

約数和(自身を除く): 21811538

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 49, 77, 98, 103, 119, 121, 154, 187, 206, 238, 242, 374, 539, 721, 833, 847, 1078, 1133, 1309, 1442, 1666, 1694, 1751, 2057, 2266, 2618, 3502, 4114, 5047, 5929, 7931, 9163, 10094, 11858, 12257, 12463, 14399, 15862, 18326, 19261, 24514, 24926, 28798, 38522, 55517, 85799, 87241, 100793, 111034, 134827, 171598, 174482, 201586, 211871, 269654, 423742, 610687, 943789, 1221374, 1483097, 1887578, 2966194, 10381679, 20763358]

約数ペア:

[(1, 20763358), (2, 10381679), (7, 2966194), (11, 1887578), (14, 1483097), (17, 1221374), (22, 943789), (34, 610687), (49, 423742), (77, 269654), (98, 211871), (103, 201586), (119, 174482), (121, 171598), (154, 134827), (187, 111034), (206, 100793), (238, 87241), (242, 85799), (374, 55517), (539, 38522), (721, 28798), (833, 24926), (847, 24514), (1078, 19261), (1133, 18326), (1309, 15862), (1442, 14399), (1666, 12463), (1694, 12257), (1751, 11858), (2057, 10094), (2266, 9163), (2618, 7931), (3502, 5929), (4114, 5047)]