20218842

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 52012800

約数和(自身を除く): 31793958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 89, 126, 178, 189, 267, 378, 534, 601, 623, 801, 1202, 1246, 1602, 1803, 1869, 2403, 3606, 3738, 4207, 4806, 5409, 5607, 8414, 10818, 11214, 12621, 16227, 16821, 25242, 32454, 33642, 37863, 53489, 75726, 106978, 113589, 160467, 227178, 320934, 374423, 481401, 748846, 962802, 1123269, 1444203, 2246538, 2888406, 3369807, 6739614, 10109421, 20218842]

約数ペア:

[(1, 20218842), (2, 10109421), (3, 6739614), (6, 3369807), (7, 2888406), (9, 2246538), (14, 1444203), (18, 1123269), (21, 962802), (27, 748846), (42, 481401), (54, 374423), (63, 320934), (89, 227178), (126, 160467), (178, 113589), (189, 106978), (267, 75726), (378, 53489), (534, 37863), (601, 33642), (623, 32454), (801, 25242), (1202, 16821), (1246, 16227), (1602, 12621), (1803, 11214), (1869, 10818), (2403, 8414), (3606, 5607), (3738, 5409), (4207, 4806)]