20172089988

素因数分解:

$2^2\times 3^5\times {\mathrm{47}}^1\times {\mathrm{441557}}^1$

素因数の和:441623

約数の個数: 72

約数和(自身を含む): 54004309632

約数和(自身を除く): 33832219644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 81, 94, 108, 141, 162, 188, 243, 282, 324, 423, 486, 564, 846, 972, 1269, 1692, 2538, 3807, 5076, 7614, 11421, 15228, 22842, 45684, 441557, 883114, 1324671, 1766228, 2649342, 3974013, 5298684, 7948026, 11922039, 15896052, 20753179, 23844078, 35766117, 41506358, 47688156, 62259537, 71532234, 83012716, 107298351, 124519074, 143064468, 186778611, 214596702, 249038148, 373557222, 429193404, 560335833, 747114444, 1120671666, 1681007499, 2241343332, 3362014998, 5043022497, 6724029996, 10086044994, 20172089988]

約数ペア:

[(1, 20172089988), (2, 10086044994), (3, 6724029996), (4, 5043022497), (6, 3362014998), (9, 2241343332), (12, 1681007499), (18, 1120671666), (27, 747114444), (36, 560335833), (47, 429193404), (54, 373557222), (81, 249038148), (94, 214596702), (108, 186778611), (141, 143064468), (162, 124519074), (188, 107298351), (243, 83012716), (282, 71532234), (324, 62259537), (423, 47688156), (486, 41506358), (564, 35766117), (846, 23844078), (972, 20753179), (1269, 15896052), (1692, 11922039), (2538, 7948026), (3807, 5298684), (5076, 3974013), (7614, 2649342), (11421, 1766228), (15228, 1324671), (22842, 883114), (45684, 441557)]