20360403

素因数分解:

$3^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:409

約数の個数: 40

約数和(自身を含む): 35138400

約数和(自身を除く): 14777997

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 149, 189, 241, 447, 567, 723, 1043, 1341, 1687, 2169, 3129, 4023, 5061, 6507, 9387, 12069, 15183, 19521, 28161, 35909, 45549, 84483, 107727, 136647, 251363, 323181, 754089, 969543, 2262267, 2908629, 6786801, 20360403]

約数ペア:

[(1, 20360403), (3, 6786801), (7, 2908629), (9, 2262267), (21, 969543), (27, 754089), (63, 323181), (81, 251363), (149, 136647), (189, 107727), (241, 84483), (447, 45549), (567, 35909), (723, 28161), (1043, 19521), (1341, 15183), (1687, 12069), (2169, 9387), (3129, 6507), (4023, 5061)]