20654962370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:756

約数の個数: 128

約数和(自身を含む): 44404319232

約数和(自身を除く): 23749356862

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 73, 82, 146, 205, 287, 311, 317, 365, 410, 511, 574, 622, 634, 730, 1022, 1435, 1555, 1585, 2177, 2219, 2555, 2870, 2993, 3110, 3170, 4354, 4438, 5110, 5986, 10885, 11095, 12751, 12997, 14965, 20951, 21770, 22190, 22703, 23141, 25502, 25994, 29930, 41902, 45406, 46282, 63755, 64985, 89257, 90979, 98587, 104755, 113515, 115705, 127510, 129970, 158921, 161987, 178514, 181958, 197174, 209510, 227030, 231410, 317842, 323974, 446285, 454895, 492935, 690109, 794605, 809935, 892570, 909790, 930823, 948781, 985870, 1380218, 1589210, 1619870, 1861646, 1897562, 3450545, 4042067, 4654115, 4743905, 6515761, 6641467, 6901090, 7196851, 8084134, 9308230, 9487810, 13031522, 13282934, 14393702, 20210335, 28294469, 32578805, 33207335, 35984255, 40420670, 50377957, 56588938, 65157610, 66414670, 71968510, 100755914, 141472345, 251889785, 282944690, 295070891, 503779570, 590141782, 1475354455, 2065496237, 2950708910, 4130992474, 10327481185, 20654962370]

約数ペア:

[(1, 20654962370), (2, 10327481185), (5, 4130992474), (7, 2950708910), (10, 2065496237), (14, 1475354455), (35, 590141782), (41, 503779570), (70, 295070891), (73, 282944690), (82, 251889785), (146, 141472345), (205, 100755914), (287, 71968510), (311, 66414670), (317, 65157610), (365, 56588938), (410, 50377957), (511, 40420670), (574, 35984255), (622, 33207335), (634, 32578805), (730, 28294469), (1022, 20210335), (1435, 14393702), (1555, 13282934), (1585, 13031522), (2177, 9487810), (2219, 9308230), (2555, 8084134), (2870, 7196851), (2993, 6901090), (3110, 6641467), (3170, 6515761), (4354, 4743905), (4438, 4654115), (5110, 4042067), (5986, 3450545), (10885, 1897562), (11095, 1861646), (12751, 1619870), (12997, 1589210), (14965, 1380218), (20951, 985870), (21770, 948781), (22190, 930823), (22703, 909790), (23141, 892570), (25502, 809935), (25994, 794605), (29930, 690109), (41902, 492935), (45406, 454895), (46282, 446285), (63755, 323974), (64985, 317842), (89257, 231410), (90979, 227030), (98587, 209510), (104755, 197174), (113515, 181958), (115705, 178514), (127510, 161987), (129970, 158921)]