20661858

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1163}}^1$

素因数の和:1228

約数の個数: 64

約数和(自身を含む): 53637120

約数和(自身を除く): 32975262

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 54, 63, 94, 126, 141, 189, 282, 329, 378, 423, 658, 846, 987, 1163, 1269, 1974, 2326, 2538, 2961, 3489, 5922, 6978, 8141, 8883, 10467, 16282, 17766, 20934, 24423, 31401, 48846, 54661, 62802, 73269, 109322, 146538, 163983, 219807, 327966, 382627, 439614, 491949, 765254, 983898, 1147881, 1475847, 2295762, 2951694, 3443643, 6887286, 10330929, 20661858]

約数ペア:

[(1, 20661858), (2, 10330929), (3, 6887286), (6, 3443643), (7, 2951694), (9, 2295762), (14, 1475847), (18, 1147881), (21, 983898), (27, 765254), (42, 491949), (47, 439614), (54, 382627), (63, 327966), (94, 219807), (126, 163983), (141, 146538), (189, 109322), (282, 73269), (329, 62802), (378, 54661), (423, 48846), (658, 31401), (846, 24423), (987, 20934), (1163, 17766), (1269, 16282), (1974, 10467), (2326, 8883), (2538, 8141), (2961, 6978), (3489, 5922)]