20923308

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1051}}^1$

素因数の和:1147

約数の個数: 72

約数和(自身を含む): 61268480

約数和(自身を除く): 40345172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1051, 1106, 1422, 1659, 2102, 2212, 2844, 3153, 3318, 4204, 4977, 6306, 6636, 7357, 9459, 9954, 12612, 14714, 18918, 19908, 22071, 29428, 37836, 44142, 66213, 83029, 88284, 132426, 166058, 249087, 264852, 332116, 498174, 581203, 747261, 996348, 1162406, 1494522, 1743609, 2324812, 2989044, 3487218, 5230827, 6974436, 10461654, 20923308]

約数ペア:

[(1, 20923308), (2, 10461654), (3, 6974436), (4, 5230827), (6, 3487218), (7, 2989044), (9, 2324812), (12, 1743609), (14, 1494522), (18, 1162406), (21, 996348), (28, 747261), (36, 581203), (42, 498174), (63, 332116), (79, 264852), (84, 249087), (126, 166058), (158, 132426), (237, 88284), (252, 83029), (316, 66213), (474, 44142), (553, 37836), (711, 29428), (948, 22071), (1051, 19908), (1106, 18918), (1422, 14714), (1659, 12612), (2102, 9954), (2212, 9459), (2844, 7357), (3153, 6636), (3318, 6306), (4204, 4977)]