20189350940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1619}}^1\times {\mathrm{5153}}^1$

素因数の和:6803

約数の個数: 72

約数和(自身を含む): 46640195280

約数和(自身を除く): 26450844340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1619, 2420, 3238, 5153, 6476, 8095, 10306, 16190, 17809, 20612, 25765, 32380, 35618, 51530, 56683, 71236, 89045, 103060, 113366, 178090, 195899, 226732, 283415, 356180, 391798, 566830, 623513, 783596, 979495, 1133660, 1247026, 1958990, 2494052, 3117565, 3917980, 6235130, 8342707, 12470260, 16685414, 33370828, 41713535, 83427070, 91769777, 166854140, 183539554, 367079108, 458848885, 917697770, 1009467547, 1835395540, 2018935094, 4037870188, 5047337735, 10094675470, 20189350940]

約数ペア:

[(1, 20189350940), (2, 10094675470), (4, 5047337735), (5, 4037870188), (10, 2018935094), (11, 1835395540), (20, 1009467547), (22, 917697770), (44, 458848885), (55, 367079108), (110, 183539554), (121, 166854140), (220, 91769777), (242, 83427070), (484, 41713535), (605, 33370828), (1210, 16685414), (1619, 12470260), (2420, 8342707), (3238, 6235130), (5153, 3917980), (6476, 3117565), (8095, 2494052), (10306, 1958990), (16190, 1247026), (17809, 1133660), (20612, 979495), (25765, 783596), (32380, 623513), (35618, 566830), (51530, 391798), (56683, 356180), (71236, 283415), (89045, 226732), (103060, 195899), (113366, 178090)]