20219812425

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1181}}^1\times {\mathrm{1619}}^1$

素因数の和:2863

約数の個数: 72

約数和(自身を含む): 37040664960

約数和(自身を除く): 16820852535

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 423, 705, 1175, 1181, 1619, 2115, 3525, 3543, 4857, 5905, 8095, 10575, 10629, 14571, 17715, 24285, 29525, 40475, 53145, 55507, 72855, 76093, 88575, 121425, 166521, 228279, 265725, 277535, 364275, 380465, 499563, 684837, 832605, 1141395, 1387675, 1902325, 1912039, 2497815, 3424185, 4163025, 5706975, 5736117, 9560195, 12489075, 17120925, 17208351, 28680585, 47800975, 86041755, 89865833, 143402925, 269597499, 430208775, 449329165, 808792497, 1347987495, 2246645825, 4043962485, 6739937475, 20219812425]

約数ペア:

[(1, 20219812425), (3, 6739937475), (5, 4043962485), (9, 2246645825), (15, 1347987495), (25, 808792497), (45, 449329165), (47, 430208775), (75, 269597499), (141, 143402925), (225, 89865833), (235, 86041755), (423, 47800975), (705, 28680585), (1175, 17208351), (1181, 17120925), (1619, 12489075), (2115, 9560195), (3525, 5736117), (3543, 5706975), (4857, 4163025), (5905, 3424185), (8095, 2497815), (10575, 1912039), (10629, 1902325), (14571, 1387675), (17715, 1141395), (24285, 832605), (29525, 684837), (40475, 499563), (53145, 380465), (55507, 364275), (72855, 277535), (76093, 265725), (88575, 228279), (121425, 166521)]