20216975355

素因数分解:

$3^3\times 5^1\times {\mathrm{953}}^1\times {\mathrm{157141}}^1$

素因数の和:158108

約数の個数: 32

約数和(自身を含む): 35979232320

約数和(自身を除く): 15762256965

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 953, 2859, 4765, 8577, 14295, 25731, 42885, 128655, 157141, 471423, 785705, 1414269, 2357115, 4242807, 7071345, 21214035, 149755373, 449266119, 748776865, 1347798357, 2246330595, 4043395071, 6738991785, 20216975355]

約数ペア:

[(1, 20216975355), (3, 6738991785), (5, 4043395071), (9, 2246330595), (15, 1347798357), (27, 748776865), (45, 449266119), (135, 149755373), (953, 21214035), (2859, 7071345), (4765, 4242807), (8577, 2357115), (14295, 1414269), (25731, 785705), (42885, 471423), (128655, 157141)]