20778893507223

素因数分解:

$3^2\times {\mathrm{151}}^1\times {\mathrm{857}}^1\times {\mathrm{1579}}^1\times {\mathrm{11299}}^1$

素因数の和:13892

約数の個数: 48

約数和(自身を含む): 30269814432000

約数和(自身を除く): 9490920924777

約数列:

[1, 3, 9, 151, 453, 857, 1359, 1579, 2571, 4737, 7713, 11299, 14211, 33897, 101691, 129407, 238429, 388221, 715287, 1164663, 1353203, 1706149, 2145861, 4059609, 5118447, 9683243, 12178827, 15355341, 17841121, 29049729, 53523363, 87149187, 160570089, 204333653, 613000959, 1462169693, 1839002877, 2694009271, 4386509079, 8082027813, 13159527237, 15289840697, 24246083439, 45869522091, 137608566273, 2308765945247, 6926297835741, 20778893507223]

約数ペア:

[(1, 20778893507223), (3, 6926297835741), (9, 2308765945247), (151, 137608566273), (453, 45869522091), (857, 24246083439), (1359, 15289840697), (1579, 13159527237), (2571, 8082027813), (4737, 4386509079), (7713, 2694009271), (11299, 1839002877), (14211, 1462169693), (33897, 613000959), (101691, 204333653), (129407, 160570089), (238429, 87149187), (388221, 53523363), (715287, 29049729), (1164663, 17841121), (1353203, 15355341), (1706149, 12178827), (2145861, 9683243), (4059609, 5118447)]