20860710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1$

素因数の和:713

約数の個数: 64

約数和(自身を含む): 54613440

約数和(自身を除く): 33752730

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 89, 130, 178, 195, 267, 390, 445, 534, 601, 890, 1157, 1202, 1335, 1803, 2314, 2670, 3005, 3471, 3606, 5785, 6010, 6942, 7813, 9015, 11570, 15626, 17355, 18030, 23439, 34710, 39065, 46878, 53489, 78130, 106978, 117195, 160467, 234390, 267445, 320934, 534890, 695357, 802335, 1390714, 1604670, 2086071, 3476785, 4172142, 6953570, 10430355, 20860710]

約数ペア:

[(1, 20860710), (2, 10430355), (3, 6953570), (5, 4172142), (6, 3476785), (10, 2086071), (13, 1604670), (15, 1390714), (26, 802335), (30, 695357), (39, 534890), (65, 320934), (78, 267445), (89, 234390), (130, 160467), (178, 117195), (195, 106978), (267, 78130), (390, 53489), (445, 46878), (534, 39065), (601, 34710), (890, 23439), (1157, 18030), (1202, 17355), (1335, 15626), (1803, 11570), (2314, 9015), (2670, 7813), (3005, 6942), (3471, 6010), (3606, 5785)]