20960030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:801

約数の個数: 64

約数和(自身を含む): 47996928

約数和(自身を除く): 27036898

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 743, 806, 910, 1085, 1486, 2015, 2170, 2821, 3715, 4030, 5201, 5642, 7430, 9659, 10402, 14105, 19318, 23033, 26005, 28210, 46066, 48295, 52010, 67613, 96590, 115165, 135226, 161231, 230330, 299429, 322462, 338065, 598858, 676130, 806155, 1497145, 1612310, 2096003, 2994290, 4192006, 10480015, 20960030]

約数ペア:

[(1, 20960030), (2, 10480015), (5, 4192006), (7, 2994290), (10, 2096003), (13, 1612310), (14, 1497145), (26, 806155), (31, 676130), (35, 598858), (62, 338065), (65, 322462), (70, 299429), (91, 230330), (130, 161231), (155, 135226), (182, 115165), (217, 96590), (310, 67613), (403, 52010), (434, 48295), (455, 46066), (743, 28210), (806, 26005), (910, 23033), (1085, 19318), (1486, 14105), (2015, 10402), (2170, 9659), (2821, 7430), (3715, 5642), (4030, 5201)]