20731034877

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{4549}}^1$

素因数の和:4746

約数の個数: 64

約数和(自身を含む): 33266688000

約数和(自身を除く): 12535653123

約数列:

[1, 3, 7, 21, 41, 67, 79, 123, 201, 237, 287, 469, 553, 861, 1407, 1659, 2747, 3239, 4549, 5293, 8241, 9717, 13647, 15879, 19229, 22673, 31843, 37051, 57687, 68019, 95529, 111153, 186509, 217013, 304783, 359371, 559527, 651039, 914349, 1078113, 1305563, 1519091, 2133481, 2515597, 3916689, 4557273, 6400443, 7546791, 12496103, 14734211, 24077857, 37488309, 44202633, 72233571, 87472721, 103139477, 168544999, 262418163, 309418431, 505634997, 987192137, 2961576411, 6910344959, 20731034877]

約数ペア:

[(1, 20731034877), (3, 6910344959), (7, 2961576411), (21, 987192137), (41, 505634997), (67, 309418431), (79, 262418163), (123, 168544999), (201, 103139477), (237, 87472721), (287, 72233571), (469, 44202633), (553, 37488309), (861, 24077857), (1407, 14734211), (1659, 12496103), (2747, 7546791), (3239, 6400443), (4549, 4557273), (5293, 3916689), (8241, 2515597), (9717, 2133481), (13647, 1519091), (15879, 1305563), (19229, 1078113), (22673, 914349), (31843, 651039), (37051, 559527), (57687, 359371), (68019, 304783), (95529, 217013), (111153, 186509)]