2020291204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1721

約数の個数: 72

約数和(自身を含む): 4018407680

約数和(自身を除く): 1998116476

約数列:

[1, 2, 4, 19, 23, 31, 38, 46, 62, 76, 92, 124, 437, 529, 589, 713, 874, 1058, 1178, 1426, 1621, 1748, 2116, 2356, 2852, 3242, 6484, 10051, 13547, 16399, 20102, 27094, 30799, 32798, 37283, 40204, 50251, 54188, 61598, 65596, 74566, 100502, 123196, 149132, 201004, 311581, 623162, 708377, 857509, 954769, 1155773, 1246324, 1416754, 1715018, 1909538, 2311546, 2833508, 3430036, 3819076, 4623092, 16292671, 21959687, 26582779, 32585342, 43919374, 53165558, 65170684, 87838748, 106331116, 505072801, 1010145602, 2020291204]

約数ペア:

[(1, 2020291204), (2, 1010145602), (4, 505072801), (19, 106331116), (23, 87838748), (31, 65170684), (38, 53165558), (46, 43919374), (62, 32585342), (76, 26582779), (92, 21959687), (124, 16292671), (437, 4623092), (529, 3819076), (589, 3430036), (713, 2833508), (874, 2311546), (1058, 1909538), (1178, 1715018), (1426, 1416754), (1621, 1246324), (1748, 1155773), (2116, 954769), (2356, 857509), (2852, 708377), (3242, 623162), (6484, 311581), (10051, 201004), (13547, 149132), (16399, 123196), (20102, 100502), (27094, 74566), (30799, 65596), (32798, 61598), (37283, 54188), (40204, 50251)]