20378710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{809}}^1$

素因数の和:1056

約数の個数: 32

約数和(自身を含む): 40240800

約数和(自身を除く): 19862090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 229, 458, 809, 1145, 1618, 2290, 2519, 4045, 5038, 8090, 8899, 12595, 17798, 25190, 44495, 88990, 185261, 370522, 926305, 1852610, 2037871, 4075742, 10189355, 20378710]

約数ペア:

[(1, 20378710), (2, 10189355), (5, 4075742), (10, 2037871), (11, 1852610), (22, 926305), (55, 370522), (110, 185261), (229, 88990), (458, 44495), (809, 25190), (1145, 17798), (1618, 12595), (2290, 8899), (2519, 8090), (4045, 5038)]