20610425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 28123200

約数和(自身を除く): 7512775

約数列:

[1, 5, 11, 25, 55, 149, 275, 503, 745, 1639, 2515, 3725, 5533, 8195, 12575, 27665, 40975, 74947, 138325, 374735, 824417, 1873675, 4122085, 20610425]

約数ペア:

[(1, 20610425), (5, 4122085), (11, 1873675), (25, 824417), (55, 374735), (149, 138325), (275, 74947), (503, 40975), (745, 27665), (1639, 12575), (2515, 8195), (3725, 5533)]