20399236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1877}}^1$

素因数の和:1924

約数の個数: 48

約数和(自身を含む): 44170560

約数和(自身を除く): 23771324

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 418, 494, 572, 836, 988, 1877, 2717, 3754, 5434, 7508, 10868, 20647, 24401, 35663, 41294, 48802, 71326, 82588, 97604, 142652, 268411, 392293, 463619, 536822, 784586, 927238, 1073644, 1569172, 1854476, 5099809, 10199618, 20399236]

約数ペア:

[(1, 20399236), (2, 10199618), (4, 5099809), (11, 1854476), (13, 1569172), (19, 1073644), (22, 927238), (26, 784586), (38, 536822), (44, 463619), (52, 392293), (76, 268411), (143, 142652), (209, 97604), (247, 82588), (286, 71326), (418, 48802), (494, 41294), (572, 35663), (836, 24401), (988, 20647), (1877, 10868), (2717, 7508), (3754, 5434)]