20196782925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1\times {\mathrm{1181}}^1$

素因数の和:2315

約数の個数: 96

約数和(自身を含む): 38412541440

約数和(自身を除く): 18215758515

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1091, 1181, 1425, 3135, 3273, 3543, 5225, 5455, 5905, 12001, 12991, 15675, 16365, 17715, 20729, 22439, 27275, 29525, 36003, 38973, 60005, 62187, 64955, 67317, 81825, 88575, 103645, 112195, 180015, 194865, 228019, 246829, 300025, 310935, 324775, 336585, 518225, 560975, 684057, 740487, 900075, 974325, 1140095, 1234145, 1288471, 1554675, 1682925, 3420285, 3702435, 3865413, 5700475, 6170725, 6442355, 14173181, 17101425, 18512175, 19327065, 24480949, 32211775, 42519543, 70865905, 73442847, 96635325, 122404745, 212597715, 269290439, 354329525, 367214235, 612023725, 807871317, 1062988575, 1346452195, 1836071175, 4039356585, 6732260975, 20196782925]

約数ペア:

[(1, 20196782925), (3, 6732260975), (5, 4039356585), (11, 1836071175), (15, 1346452195), (19, 1062988575), (25, 807871317), (33, 612023725), (55, 367214235), (57, 354329525), (75, 269290439), (95, 212597715), (165, 122404745), (209, 96635325), (275, 73442847), (285, 70865905), (475, 42519543), (627, 32211775), (825, 24480949), (1045, 19327065), (1091, 18512175), (1181, 17101425), (1425, 14173181), (3135, 6442355), (3273, 6170725), (3543, 5700475), (5225, 3865413), (5455, 3702435), (5905, 3420285), (12001, 1682925), (12991, 1554675), (15675, 1288471), (16365, 1234145), (17715, 1140095), (20729, 974325), (22439, 900075), (27275, 740487), (29525, 684057), (36003, 560975), (38973, 518225), (60005, 336585), (62187, 324775), (64955, 310935), (67317, 300025), (81825, 246829), (88575, 228019), (103645, 194865), (112195, 180015)]