20797429914

素因数分解:

$2^1\times 3^4\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{39709}}^1$

素因数の和:39837

約数の個数: 80

約数和(自身を含む): 48260516040

約数和(自身を除く): 27463086126

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 61, 81, 106, 122, 159, 162, 183, 318, 366, 477, 549, 954, 1098, 1431, 1647, 2862, 3233, 3294, 4293, 4941, 6466, 8586, 9699, 9882, 19398, 29097, 39709, 58194, 79418, 87291, 119127, 174582, 238254, 261873, 357381, 523746, 714762, 1072143, 2104577, 2144286, 2422249, 3216429, 4209154, 4844498, 6313731, 6432858, 7266747, 12627462, 14533494, 18941193, 21800241, 37882386, 43600482, 56823579, 65400723, 113647158, 128379197, 130801446, 170470737, 196202169, 256758394, 340941474, 385137591, 392404338, 770275182, 1155412773, 2310825546, 3466238319, 6932476638, 10398714957, 20797429914]

約数ペア:

[(1, 20797429914), (2, 10398714957), (3, 6932476638), (6, 3466238319), (9, 2310825546), (18, 1155412773), (27, 770275182), (53, 392404338), (54, 385137591), (61, 340941474), (81, 256758394), (106, 196202169), (122, 170470737), (159, 130801446), (162, 128379197), (183, 113647158), (318, 65400723), (366, 56823579), (477, 43600482), (549, 37882386), (954, 21800241), (1098, 18941193), (1431, 14533494), (1647, 12627462), (2862, 7266747), (3233, 6432858), (3294, 6313731), (4293, 4844498), (4941, 4209154), (6466, 3216429), (8586, 2422249), (9699, 2144286), (9882, 2104577), (19398, 1072143), (29097, 714762), (39709, 523746), (58194, 357381), (79418, 261873), (87291, 238254), (119127, 174582)]