20042625

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 36691200

約数和(自身を除く): 16648575

約数列:

[1, 3, 5, 15, 19, 25, 29, 57, 75, 87, 95, 97, 125, 145, 285, 291, 375, 435, 475, 485, 551, 725, 1425, 1455, 1653, 1843, 2175, 2375, 2425, 2755, 2813, 3625, 5529, 7125, 7275, 8265, 8439, 9215, 10875, 12125, 13775, 14065, 27645, 36375, 41325, 42195, 46075, 53447, 68875, 70325, 138225, 160341, 206625, 210975, 230375, 267235, 351625, 691125, 801705, 1054875, 1336175, 4008525, 6680875, 20042625]

約数ペア:

[(1, 20042625), (3, 6680875), (5, 4008525), (15, 1336175), (19, 1054875), (25, 801705), (29, 691125), (57, 351625), (75, 267235), (87, 230375), (95, 210975), (97, 206625), (125, 160341), (145, 138225), (285, 70325), (291, 68875), (375, 53447), (435, 46075), (475, 42195), (485, 41325), (551, 36375), (725, 27645), (1425, 14065), (1455, 13775), (1653, 12125), (1843, 10875), (2175, 9215), (2375, 8439), (2425, 8265), (2755, 7275), (2813, 7125), (3625, 5529)]