2053203020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{4021}}^1$

素因数の和:4263

約数の個数: 72

約数和(自身を含む): 4762981104

約数和(自身を除く): 2709778084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 211, 220, 242, 422, 484, 605, 844, 1055, 1210, 2110, 2321, 2420, 4021, 4220, 4642, 8042, 9284, 11605, 16084, 20105, 23210, 25531, 40210, 44231, 46420, 51062, 80420, 88462, 102124, 127655, 176924, 221155, 255310, 442310, 486541, 510620, 848431, 884620, 973082, 1696862, 1946164, 2432705, 3393724, 4242155, 4865410, 8484310, 9332741, 9730820, 16968620, 18665482, 37330964, 46663705, 93327410, 102660151, 186654820, 205320302, 410640604, 513300755, 1026601510, 2053203020]

約数ペア:

[(1, 2053203020), (2, 1026601510), (4, 513300755), (5, 410640604), (10, 205320302), (11, 186654820), (20, 102660151), (22, 93327410), (44, 46663705), (55, 37330964), (110, 18665482), (121, 16968620), (211, 9730820), (220, 9332741), (242, 8484310), (422, 4865410), (484, 4242155), (605, 3393724), (844, 2432705), (1055, 1946164), (1210, 1696862), (2110, 973082), (2321, 884620), (2420, 848431), (4021, 510620), (4220, 486541), (4642, 442310), (8042, 255310), (9284, 221155), (11605, 176924), (16084, 127655), (20105, 102124), (23210, 88462), (25531, 80420), (40210, 51062), (44231, 46420)]