20219005575

素因数分解:

$3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{5557}}^1$

素因数の和:5833

約数の個数: 72

約数和(自身を含む): 36805609568

約数和(自身を除く): 16586603993

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 103, 157, 225, 309, 471, 515, 785, 927, 1413, 1545, 2355, 2575, 3925, 4635, 5557, 7065, 7725, 11775, 16171, 16671, 23175, 27785, 35325, 48513, 50013, 80855, 83355, 138925, 145539, 242565, 250065, 404275, 416775, 572371, 727695, 872449, 1212825, 1250325, 1717113, 2617347, 2861855, 3638475, 4362245, 5151339, 7852041, 8585565, 13086735, 14309275, 21811225, 25756695, 39260205, 42927825, 65433675, 89862247, 128783475, 196301025, 269586741, 449311235, 808760223, 1347933705, 2246556175, 4043801115, 6739668525, 20219005575]

約数ペア:

[(1, 20219005575), (3, 6739668525), (5, 4043801115), (9, 2246556175), (15, 1347933705), (25, 808760223), (45, 449311235), (75, 269586741), (103, 196301025), (157, 128783475), (225, 89862247), (309, 65433675), (471, 42927825), (515, 39260205), (785, 25756695), (927, 21811225), (1413, 14309275), (1545, 13086735), (2355, 8585565), (2575, 7852041), (3925, 5151339), (4635, 4362245), (5557, 3638475), (7065, 2861855), (7725, 2617347), (11775, 1717113), (16171, 1250325), (16671, 1212825), (23175, 872449), (27785, 727695), (35325, 572371), (48513, 416775), (50013, 404275), (80855, 250065), (83355, 242565), (138925, 145539)]