20092110025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{14723}}^1$

素因数の和:14795

約数の個数: 72

約数和(自身を含む): 30070530720

約数和(自身を除く): 9978420695

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 169, 221, 247, 323, 325, 425, 475, 845, 1105, 1235, 1615, 2873, 3211, 4199, 4225, 5525, 6175, 8075, 14365, 14723, 16055, 20995, 54587, 71825, 73615, 80275, 104975, 191399, 250291, 272935, 279737, 368075, 956995, 1251455, 1364675, 1398685, 2488187, 3253783, 3636581, 4755529, 4784975, 6257275, 6993425, 12440935, 16268915, 18182905, 23777645, 42299179, 47275553, 61821877, 62204675, 81344575, 90914525, 118888225, 211495895, 236377765, 309109385, 803684401, 1057479475, 1181888825, 1545546925, 4018422005, 20092110025]

約数ペア:

[(1, 20092110025), (5, 4018422005), (13, 1545546925), (17, 1181888825), (19, 1057479475), (25, 803684401), (65, 309109385), (85, 236377765), (95, 211495895), (169, 118888225), (221, 90914525), (247, 81344575), (323, 62204675), (325, 61821877), (425, 47275553), (475, 42299179), (845, 23777645), (1105, 18182905), (1235, 16268915), (1615, 12440935), (2873, 6993425), (3211, 6257275), (4199, 4784975), (4225, 4755529), (5525, 3636581), (6175, 3253783), (8075, 2488187), (14365, 1398685), (14723, 1364675), (16055, 1251455), (20995, 956995), (54587, 368075), (71825, 279737), (73615, 272935), (80275, 250291), (104975, 191399)]