20984244

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 50413440

約数和(自身を除く): 29429196

約数列:

[1, 2, 3, 4, 6, 12, 61, 109, 122, 183, 218, 244, 263, 327, 366, 436, 526, 654, 732, 789, 1052, 1308, 1578, 3156, 6649, 13298, 16043, 19947, 26596, 28667, 32086, 39894, 48129, 57334, 64172, 79788, 86001, 96258, 114668, 172002, 192516, 344004, 1748687, 3497374, 5246061, 6994748, 10492122, 20984244]

約数ペア:

[(1, 20984244), (2, 10492122), (3, 6994748), (4, 5246061), (6, 3497374), (12, 1748687), (61, 344004), (109, 192516), (122, 172002), (183, 114668), (218, 96258), (244, 86001), (263, 79788), (327, 64172), (366, 57334), (436, 48129), (526, 39894), (654, 32086), (732, 28667), (789, 26596), (1052, 19947), (1308, 16043), (1578, 13298), (3156, 6649)]