20259603

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{853}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 37302720

約数和(自身を除く): 17043117

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 117, 203, 261, 273, 377, 609, 819, 853, 1131, 1827, 2559, 2639, 3393, 5971, 7677, 7917, 11089, 17913, 23751, 24737, 33267, 53739, 74211, 77623, 99801, 173159, 222633, 232869, 321581, 519477, 698607, 964743, 1558431, 2251067, 2894229, 6753201, 20259603]

約数ペア:

[(1, 20259603), (3, 6753201), (7, 2894229), (9, 2251067), (13, 1558431), (21, 964743), (29, 698607), (39, 519477), (63, 321581), (87, 232869), (91, 222633), (117, 173159), (203, 99801), (261, 77623), (273, 74211), (377, 53739), (609, 33267), (819, 24737), (853, 23751), (1131, 17913), (1827, 11089), (2559, 7917), (2639, 7677), (3393, 5971)]