20442942

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1$

素因数の和:615

約数の個数: 80

約数和(自身を含む): 52324272

約数和(自身を除く): 31881330

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 81, 102, 117, 153, 162, 221, 234, 306, 351, 442, 459, 571, 663, 702, 918, 1053, 1142, 1326, 1377, 1713, 1989, 2106, 2754, 3426, 3978, 5139, 5967, 7423, 9707, 10278, 11934, 14846, 15417, 17901, 19414, 22269, 29121, 30834, 35802, 44538, 46251, 58242, 66807, 87363, 92502, 126191, 133614, 174726, 200421, 252382, 262089, 378573, 400842, 524178, 601263, 757146, 786267, 1135719, 1202526, 1572534, 2271438, 3407157, 6814314, 10221471, 20442942]

約数ペア:

[(1, 20442942), (2, 10221471), (3, 6814314), (6, 3407157), (9, 2271438), (13, 1572534), (17, 1202526), (18, 1135719), (26, 786267), (27, 757146), (34, 601263), (39, 524178), (51, 400842), (54, 378573), (78, 262089), (81, 252382), (102, 200421), (117, 174726), (153, 133614), (162, 126191), (221, 92502), (234, 87363), (306, 66807), (351, 58242), (442, 46251), (459, 44538), (571, 35802), (663, 30834), (702, 29121), (918, 22269), (1053, 19414), (1142, 17901), (1326, 15417), (1377, 14846), (1713, 11934), (1989, 10278), (2106, 9707), (2754, 7423), (3426, 5967), (3978, 5139)]