20304130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3767}}^1$

素因数の和:3799

約数の個数: 48

約数和(自身を含む): 46391616

約数和(自身を除く): 26087486

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3767, 5390, 7534, 18835, 26369, 37670, 41437, 52738, 82874, 131845, 184583, 207185, 263690, 290059, 369166, 414370, 580118, 922915, 1450295, 1845830, 2030413, 2900590, 4060826, 10152065, 20304130]

約数ペア:

[(1, 20304130), (2, 10152065), (5, 4060826), (7, 2900590), (10, 2030413), (11, 1845830), (14, 1450295), (22, 922915), (35, 580118), (49, 414370), (55, 369166), (70, 290059), (77, 263690), (98, 207185), (110, 184583), (154, 131845), (245, 82874), (385, 52738), (490, 41437), (539, 37670), (770, 26369), (1078, 18835), (2695, 7534), (3767, 5390)]