20905092

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2351}}^1$

素因数の和:2393

約数の個数: 72

約数和(自身を含む): 59928960

約数和(自身を除く): 39023868

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2351, 2964, 4446, 4702, 7053, 8892, 9404, 14106, 21159, 28212, 30563, 42318, 44669, 61126, 84636, 89338, 91689, 122252, 134007, 178676, 183378, 268014, 275067, 366756, 402021, 536028, 550134, 580697, 804042, 1100268, 1161394, 1608084, 1742091, 2322788, 3484182, 5226273, 6968364, 10452546, 20905092]

約数ペア:

[(1, 20905092), (2, 10452546), (3, 6968364), (4, 5226273), (6, 3484182), (9, 2322788), (12, 1742091), (13, 1608084), (18, 1161394), (19, 1100268), (26, 804042), (36, 580697), (38, 550134), (39, 536028), (52, 402021), (57, 366756), (76, 275067), (78, 268014), (114, 183378), (117, 178676), (156, 134007), (171, 122252), (228, 91689), (234, 89338), (247, 84636), (342, 61126), (468, 44669), (494, 42318), (684, 30563), (741, 28212), (988, 21159), (1482, 14106), (2223, 9404), (2351, 8892), (2964, 7053), (4446, 4702)]