20496475587

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{3797}}^1$

素因数の和:4072

約数の個数: 64

約数和(自身を含む): 33485598720

約数和(自身を除く): 12989123133

約数列:

[1, 3, 7, 19, 21, 57, 83, 133, 163, 249, 399, 489, 581, 1141, 1577, 1743, 3097, 3423, 3797, 4731, 9291, 11039, 11391, 13529, 21679, 26579, 33117, 40587, 65037, 72143, 79737, 94703, 216429, 257051, 284109, 315151, 505001, 618911, 771153, 945453, 1515003, 1799357, 1856733, 2206057, 4332377, 5398071, 5987869, 6618171, 11759309, 12997131, 17963607, 35277927, 41915083, 51369613, 82315163, 125745249, 154108839, 246945489, 359587291, 976022647, 1078761873, 2928067941, 6832158529, 20496475587]

約数ペア:

[(1, 20496475587), (3, 6832158529), (7, 2928067941), (19, 1078761873), (21, 976022647), (57, 359587291), (83, 246945489), (133, 154108839), (163, 125745249), (249, 82315163), (399, 51369613), (489, 41915083), (581, 35277927), (1141, 17963607), (1577, 12997131), (1743, 11759309), (3097, 6618171), (3423, 5987869), (3797, 5398071), (4731, 4332377), (9291, 2206057), (11039, 1856733), (11391, 1799357), (13529, 1515003), (21679, 945453), (26579, 771153), (33117, 618911), (40587, 505001), (65037, 315151), (72143, 284109), (79737, 257051), (94703, 216429)]