20053097325

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{59377}}^1$

素因数の和:59491

約数の個数: 72

約数和(自身を含む): 38286934400

約数和(自身を除く): 18233837075

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 79, 95, 171, 225, 237, 285, 395, 475, 711, 855, 1185, 1425, 1501, 1975, 3555, 4275, 4503, 5925, 7505, 13509, 17775, 22515, 37525, 59377, 67545, 112575, 178131, 296885, 337725, 534393, 890655, 1128163, 1484425, 2671965, 3384489, 4453275, 4690783, 5640815, 10153467, 13359825, 14072349, 16922445, 23453915, 28204075, 42217047, 50767335, 70361745, 84612225, 89124877, 117269575, 211085235, 253836675, 267374631, 351808725, 445624385, 802123893, 1055426175, 1336873155, 2228121925, 4010619465, 6684365775, 20053097325]

約数ペア:

[(1, 20053097325), (3, 6684365775), (5, 4010619465), (9, 2228121925), (15, 1336873155), (19, 1055426175), (25, 802123893), (45, 445624385), (57, 351808725), (75, 267374631), (79, 253836675), (95, 211085235), (171, 117269575), (225, 89124877), (237, 84612225), (285, 70361745), (395, 50767335), (475, 42217047), (711, 28204075), (855, 23453915), (1185, 16922445), (1425, 14072349), (1501, 13359825), (1975, 10153467), (3555, 5640815), (4275, 4690783), (4503, 4453275), (5925, 3384489), (7505, 2671965), (13509, 1484425), (17775, 1128163), (22515, 890655), (37525, 534393), (59377, 337725), (67545, 296885), (112575, 178131)]