20042011875

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{2609}}^1$

素因数の和:2890

約数の個数: 80

約数和(自身を含む): 35517255840

約数和(自身を除く): 15475243965

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 241, 255, 375, 425, 625, 723, 1205, 1275, 1875, 2125, 2609, 3615, 4097, 6025, 6375, 7827, 10625, 12291, 13045, 18075, 20485, 30125, 31875, 39135, 44353, 61455, 65225, 90375, 102425, 133059, 150625, 195675, 221765, 307275, 326125, 451875, 512125, 628769, 665295, 978375, 1108825, 1536375, 1630625, 1886307, 2560625, 3143845, 3326475, 4891875, 5544125, 7681875, 9431535, 10689073, 15719225, 16632375, 27720625, 32067219, 47157675, 53445365, 78596125, 83161875, 160336095, 235788375, 267226825, 392980625, 801680475, 1178941875, 1336134125, 4008402375, 6680670625, 20042011875]

約数ペア:

[(1, 20042011875), (3, 6680670625), (5, 4008402375), (15, 1336134125), (17, 1178941875), (25, 801680475), (51, 392980625), (75, 267226825), (85, 235788375), (125, 160336095), (241, 83161875), (255, 78596125), (375, 53445365), (425, 47157675), (625, 32067219), (723, 27720625), (1205, 16632375), (1275, 15719225), (1875, 10689073), (2125, 9431535), (2609, 7681875), (3615, 5544125), (4097, 4891875), (6025, 3326475), (6375, 3143845), (7827, 2560625), (10625, 1886307), (12291, 1630625), (13045, 1536375), (18075, 1108825), (20485, 978375), (30125, 665295), (31875, 628769), (39135, 512125), (44353, 451875), (61455, 326125), (65225, 307275), (90375, 221765), (102425, 195675), (133059, 150625)]