20055516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2179}}^1$

素因数の和:2258

約数の個数: 48

約数和(自身を含む): 51273600

約数和(自身を除く): 31218084

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 59, 78, 118, 156, 177, 236, 354, 708, 767, 1534, 2179, 2301, 3068, 4358, 4602, 6537, 8716, 9204, 13074, 26148, 28327, 56654, 84981, 113308, 128561, 169962, 257122, 339924, 385683, 514244, 771366, 1542732, 1671293, 3342586, 5013879, 6685172, 10027758, 20055516]

約数ペア:

[(1, 20055516), (2, 10027758), (3, 6685172), (4, 5013879), (6, 3342586), (12, 1671293), (13, 1542732), (26, 771366), (39, 514244), (52, 385683), (59, 339924), (78, 257122), (118, 169962), (156, 128561), (177, 113308), (236, 84981), (354, 56654), (708, 28327), (767, 26148), (1534, 13074), (2179, 9204), (2301, 8716), (3068, 6537), (4358, 4602)]