20743020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:484

約数の個数: 96

約数和(自身を含む): 65318400

約数和(自身を除く): 44575380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 107, 108, 135, 180, 214, 270, 321, 359, 428, 535, 540, 642, 718, 963, 1070, 1077, 1284, 1436, 1605, 1795, 1926, 2140, 2154, 2889, 3210, 3231, 3590, 3852, 4308, 4815, 5385, 5778, 6420, 6462, 7180, 9630, 9693, 10770, 11556, 12924, 14445, 16155, 19260, 19386, 21540, 28890, 32310, 38413, 38772, 48465, 57780, 64620, 76826, 96930, 115239, 153652, 192065, 193860, 230478, 345717, 384130, 460956, 576195, 691434, 768260, 1037151, 1152390, 1382868, 1728585, 2074302, 2304780, 3457170, 4148604, 5185755, 6914340, 10371510, 20743020]

約数ペア:

[(1, 20743020), (2, 10371510), (3, 6914340), (4, 5185755), (5, 4148604), (6, 3457170), (9, 2304780), (10, 2074302), (12, 1728585), (15, 1382868), (18, 1152390), (20, 1037151), (27, 768260), (30, 691434), (36, 576195), (45, 460956), (54, 384130), (60, 345717), (90, 230478), (107, 193860), (108, 192065), (135, 153652), (180, 115239), (214, 96930), (270, 76826), (321, 64620), (359, 57780), (428, 48465), (535, 38772), (540, 38413), (642, 32310), (718, 28890), (963, 21540), (1070, 19386), (1077, 19260), (1284, 16155), (1436, 14445), (1605, 12924), (1795, 11556), (1926, 10770), (2140, 9693), (2154, 9630), (2889, 7180), (3210, 6462), (3231, 6420), (3590, 5778), (3852, 5385), (4308, 4815)]