20941362

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1297}}^1$

素因数の和:1344

約数の個数: 64

約数和(自身を含む): 52335360

約数和(自身を除く): 31393998

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 69, 78, 117, 138, 207, 234, 299, 351, 414, 598, 621, 702, 897, 1242, 1297, 1794, 2594, 2691, 3891, 5382, 7782, 8073, 11673, 16146, 16861, 23346, 29831, 33722, 35019, 50583, 59662, 70038, 89493, 101166, 151749, 178986, 268479, 303498, 387803, 455247, 536958, 775606, 805437, 910494, 1163409, 1610874, 2326818, 3490227, 6980454, 10470681, 20941362]

約数ペア:

[(1, 20941362), (2, 10470681), (3, 6980454), (6, 3490227), (9, 2326818), (13, 1610874), (18, 1163409), (23, 910494), (26, 805437), (27, 775606), (39, 536958), (46, 455247), (54, 387803), (69, 303498), (78, 268479), (117, 178986), (138, 151749), (207, 101166), (234, 89493), (299, 70038), (351, 59662), (414, 50583), (598, 35019), (621, 33722), (702, 29831), (897, 23346), (1242, 16861), (1297, 16146), (1794, 11673), (2594, 8073), (2691, 7782), (3891, 5382)]