20203612

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^3\times {\mathrm{19}}^1$

素因数の和:84

約数の個数: 72

約数和(自身を含む): 44315600

約数和(自身を除く): 24111988

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 121, 143, 169, 209, 242, 247, 286, 338, 418, 484, 494, 572, 676, 836, 988, 1573, 1859, 2197, 2299, 2717, 3146, 3211, 3718, 4394, 4598, 5434, 6292, 6422, 7436, 8788, 9196, 10868, 12844, 20449, 24167, 29887, 35321, 40898, 41743, 48334, 59774, 70642, 81796, 83486, 96668, 119548, 141284, 166972, 265837, 388531, 459173, 531674, 777062, 918346, 1063348, 1554124, 1836692, 5050903, 10101806, 20203612]

約数ペア:

[(1, 20203612), (2, 10101806), (4, 5050903), (11, 1836692), (13, 1554124), (19, 1063348), (22, 918346), (26, 777062), (38, 531674), (44, 459173), (52, 388531), (76, 265837), (121, 166972), (143, 141284), (169, 119548), (209, 96668), (242, 83486), (247, 81796), (286, 70642), (338, 59774), (418, 48334), (484, 41743), (494, 40898), (572, 35321), (676, 29887), (836, 24167), (988, 20449), (1573, 12844), (1859, 10868), (2197, 9196), (2299, 8788), (2717, 7436), (3146, 6422), (3211, 6292), (3718, 5434), (4394, 4598)]