20091372

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{727}}^1$

素因数の和:795

約数の個数: 72

約数和(自身を含む): 55770624

約数和(自身を除く): 35679252

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 282, 294, 329, 564, 588, 658, 727, 987, 1316, 1454, 1974, 2181, 2303, 2908, 3948, 4362, 4606, 5089, 6909, 8724, 9212, 10178, 13818, 15267, 20356, 27636, 30534, 34169, 35623, 61068, 68338, 71246, 102507, 106869, 136676, 142492, 205014, 213738, 239183, 410028, 427476, 478366, 717549, 956732, 1435098, 1674281, 2870196, 3348562, 5022843, 6697124, 10045686, 20091372]

約数ペア:

[(1, 20091372), (2, 10045686), (3, 6697124), (4, 5022843), (6, 3348562), (7, 2870196), (12, 1674281), (14, 1435098), (21, 956732), (28, 717549), (42, 478366), (47, 427476), (49, 410028), (84, 239183), (94, 213738), (98, 205014), (141, 142492), (147, 136676), (188, 106869), (196, 102507), (282, 71246), (294, 68338), (329, 61068), (564, 35623), (588, 34169), (658, 30534), (727, 27636), (987, 20356), (1316, 15267), (1454, 13818), (1974, 10178), (2181, 9212), (2303, 8724), (2908, 6909), (3948, 5089), (4362, 4606)]