20239520972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{65423}}^1$

素因数の和:65606

約数の個数: 48

約数和(自身を含む): 39568435200

約数和(自身を除く): 19328914228

約数列:

[1, 2, 4, 11, 22, 44, 79, 89, 158, 178, 316, 356, 869, 979, 1738, 1958, 3476, 3916, 7031, 14062, 28124, 65423, 77341, 130846, 154682, 261692, 309364, 719653, 1439306, 2878612, 5168417, 5822647, 10336834, 11645294, 20673668, 23290588, 56852587, 64049117, 113705174, 128098234, 227410348, 256196468, 459989113, 919978226, 1839956452, 5059880243, 10119760486, 20239520972]

約数ペア:

[(1, 20239520972), (2, 10119760486), (4, 5059880243), (11, 1839956452), (22, 919978226), (44, 459989113), (79, 256196468), (89, 227410348), (158, 128098234), (178, 113705174), (316, 64049117), (356, 56852587), (869, 23290588), (979, 20673668), (1738, 11645294), (1958, 10336834), (3476, 5822647), (3916, 5168417), (7031, 2878612), (14062, 1439306), (28124, 719653), (65423, 309364), (77341, 261692), (130846, 154682)]