20922876

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:236

約数の個数: 108

約数和(自身を含む): 60616920

約数和(自身を除く): 39694044

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 169, 171, 181, 228, 234, 247, 338, 342, 362, 468, 494, 507, 543, 676, 684, 724, 741, 988, 1014, 1086, 1482, 1521, 1629, 2028, 2172, 2223, 2353, 2964, 3042, 3211, 3258, 3439, 4446, 4706, 6084, 6422, 6516, 6878, 7059, 8892, 9412, 9633, 10317, 12844, 13756, 14118, 19266, 20634, 21177, 28236, 28899, 30589, 30951, 38532, 41268, 42354, 44707, 57798, 61178, 61902, 84708, 89414, 91767, 115596, 122356, 123804, 134121, 178828, 183534, 268242, 275301, 367068, 402363, 536484, 550602, 581191, 804726, 1101204, 1162382, 1609452, 1743573, 2324764, 3487146, 5230719, 6974292, 10461438, 20922876]

約数ペア:

[(1, 20922876), (2, 10461438), (3, 6974292), (4, 5230719), (6, 3487146), (9, 2324764), (12, 1743573), (13, 1609452), (18, 1162382), (19, 1101204), (26, 804726), (36, 581191), (38, 550602), (39, 536484), (52, 402363), (57, 367068), (76, 275301), (78, 268242), (114, 183534), (117, 178828), (156, 134121), (169, 123804), (171, 122356), (181, 115596), (228, 91767), (234, 89414), (247, 84708), (338, 61902), (342, 61178), (362, 57798), (468, 44707), (494, 42354), (507, 41268), (543, 38532), (676, 30951), (684, 30589), (724, 28899), (741, 28236), (988, 21177), (1014, 20634), (1086, 19266), (1482, 14118), (1521, 13756), (1629, 12844), (2028, 10317), (2172, 9633), (2223, 9412), (2353, 8892), (2964, 7059), (3042, 6878), (3211, 6516), (3258, 6422), (3439, 6084), (4446, 4706)]