20349618575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{653}}^1$

素因数の和:1089

約数の個数: 96

約数和(自身を含む): 31063011840

約数和(自身を除く): 10713393265

約数列:

[1, 5, 11, 13, 23, 25, 55, 65, 115, 143, 253, 275, 299, 325, 379, 575, 653, 715, 1265, 1495, 1895, 3265, 3289, 3575, 4169, 4927, 6325, 7183, 7475, 8489, 8717, 9475, 15019, 16325, 16445, 20845, 24635, 35915, 42445, 43585, 54197, 75095, 82225, 93379, 95887, 104225, 113321, 123175, 165209, 179575, 195247, 212225, 217925, 247487, 270985, 375475, 466895, 479435, 566605, 826045, 976235, 1237435, 1246531, 1354925, 2147717, 2334475, 2397175, 2722357, 2833025, 3217331, 4130225, 4881175, 5692201, 6187175, 6232655, 10738585, 13611785, 16086655, 28461005, 31163275, 35390641, 53692925, 62614211, 68058925, 73998613, 80433275, 142305025, 176953205, 313071055, 369993065, 813984743, 884766025, 1565355275, 1849965325, 4069923715, 20349618575]

約数ペア:

[(1, 20349618575), (5, 4069923715), (11, 1849965325), (13, 1565355275), (23, 884766025), (25, 813984743), (55, 369993065), (65, 313071055), (115, 176953205), (143, 142305025), (253, 80433275), (275, 73998613), (299, 68058925), (325, 62614211), (379, 53692925), (575, 35390641), (653, 31163275), (715, 28461005), (1265, 16086655), (1495, 13611785), (1895, 10738585), (3265, 6232655), (3289, 6187175), (3575, 5692201), (4169, 4881175), (4927, 4130225), (6325, 3217331), (7183, 2833025), (7475, 2722357), (8489, 2397175), (8717, 2334475), (9475, 2147717), (15019, 1354925), (16325, 1246531), (16445, 1237435), (20845, 976235), (24635, 826045), (35915, 566605), (42445, 479435), (43585, 466895), (54197, 375475), (75095, 270985), (82225, 247487), (93379, 217925), (95887, 212225), (104225, 195247), (113321, 179575), (123175, 165209)]