20244609

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 36900864

約数和(自身を除く): 16656255

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 131, 223, 231, 393, 669, 693, 917, 1179, 1441, 1561, 2007, 2453, 2751, 4323, 4683, 7359, 8253, 10087, 12969, 14049, 17171, 22077, 29213, 30261, 51513, 87639, 90783, 154539, 204491, 262917, 321343, 613473, 964029, 1840419, 2249401, 2892087, 6748203, 20244609]

約数ペア:

[(1, 20244609), (3, 6748203), (7, 2892087), (9, 2249401), (11, 1840419), (21, 964029), (33, 613473), (63, 321343), (77, 262917), (99, 204491), (131, 154539), (223, 90783), (231, 87639), (393, 51513), (669, 30261), (693, 29213), (917, 22077), (1179, 17171), (1441, 14049), (1561, 12969), (2007, 10087), (2453, 8253), (2751, 7359), (4323, 4683)]