20110394420

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1\times {\mathrm{27631}}^1$

素因数の和:28032

約数の個数: 48

約数和(自身を含む): 42689450496

約数和(自身を除く): 22579056076

約数列:

[1, 2, 4, 5, 10, 20, 151, 241, 302, 482, 604, 755, 964, 1205, 1510, 2410, 3020, 4820, 27631, 36391, 55262, 72782, 110524, 138155, 145564, 181955, 276310, 363910, 552620, 727820, 4172281, 6659071, 8344562, 13318142, 16689124, 20861405, 26636284, 33295355, 41722810, 66590710, 83445620, 133181420, 1005519721, 2011039442, 4022078884, 5027598605, 10055197210, 20110394420]

約数ペア:

[(1, 20110394420), (2, 10055197210), (4, 5027598605), (5, 4022078884), (10, 2011039442), (20, 1005519721), (151, 133181420), (241, 83445620), (302, 66590710), (482, 41722810), (604, 33295355), (755, 26636284), (964, 20861405), (1205, 16689124), (1510, 13318142), (2410, 8344562), (3020, 6659071), (4820, 4172281), (27631, 727820), (36391, 552620), (55262, 363910), (72782, 276310), (110524, 181955), (138155, 145564)]