19960875

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1613}}^1$

素因数の和:1645

約数の個数: 48

約数和(自身を含む): 39278304

約数和(自身を除く): 19317429

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 125, 165, 225, 275, 375, 495, 825, 1125, 1375, 1613, 2475, 4125, 4839, 8065, 12375, 14517, 17743, 24195, 40325, 53229, 72585, 88715, 120975, 159687, 201625, 266145, 362925, 443575, 604875, 798435, 1330725, 1814625, 2217875, 3992175, 6653625, 19960875]

約数ペア:

[(1, 19960875), (3, 6653625), (5, 3992175), (9, 2217875), (11, 1814625), (15, 1330725), (25, 798435), (33, 604875), (45, 443575), (55, 362925), (75, 266145), (99, 201625), (125, 159687), (165, 120975), (225, 88715), (275, 72585), (375, 53229), (495, 40325), (825, 24195), (1125, 17743), (1375, 14517), (1613, 12375), (2475, 8065), (4125, 4839)]