20123686125

素因数分解:

$3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{40933}}^1$

素因数の和:40996

約数の個数: 96

約数和(自身を含む): 39846792960

約数和(自身を除く): 19723106835

約数列:

[1, 3, 5, 9, 15, 19, 23, 25, 45, 57, 69, 75, 95, 115, 125, 171, 207, 225, 285, 345, 375, 437, 475, 575, 855, 1035, 1125, 1311, 1425, 1725, 2185, 2375, 2875, 3933, 4275, 5175, 6555, 7125, 8625, 10925, 19665, 21375, 25875, 32775, 40933, 54625, 98325, 122799, 163875, 204665, 368397, 491625, 613995, 777727, 941459, 1023325, 1841985, 2333181, 2824377, 3069975, 3888635, 4707295, 5116625, 6999543, 8473131, 9209925, 11665905, 14121885, 15349875, 17887721, 19443175, 23536475, 34997715, 42365655, 46049625, 53663163, 58329525, 70609425, 89438605, 97215875, 117682375, 160989489, 174988575, 211828275, 268315815, 291647625, 353047125, 447193025, 804947445, 874942875, 1059141375, 1341579075, 2235965125, 4024737225, 6707895375, 20123686125]

約数ペア:

[(1, 20123686125), (3, 6707895375), (5, 4024737225), (9, 2235965125), (15, 1341579075), (19, 1059141375), (23, 874942875), (25, 804947445), (45, 447193025), (57, 353047125), (69, 291647625), (75, 268315815), (95, 211828275), (115, 174988575), (125, 160989489), (171, 117682375), (207, 97215875), (225, 89438605), (285, 70609425), (345, 58329525), (375, 53663163), (437, 46049625), (475, 42365655), (575, 34997715), (855, 23536475), (1035, 19443175), (1125, 17887721), (1311, 15349875), (1425, 14121885), (1725, 11665905), (2185, 9209925), (2375, 8473131), (2875, 6999543), (3933, 5116625), (4275, 4707295), (5175, 3888635), (6555, 3069975), (7125, 2824377), (8625, 2333181), (10925, 1841985), (19665, 1023325), (21375, 941459), (25875, 777727), (32775, 613995), (40933, 491625), (54625, 368397), (98325, 204665), (122799, 163875)]