20187274815

素因数分解:

$3^6\times 5^1\times {\mathrm{239}}^1\times {\mathrm{23173}}^1$

素因数の和:23435

約数の個数: 56

約数和(自身を含む): 36474022080

約数和(自身を除く): 16286747265

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 239, 243, 405, 717, 729, 1195, 1215, 2151, 3585, 3645, 6453, 10755, 19359, 23173, 32265, 58077, 69519, 96795, 115865, 174231, 208557, 290385, 347595, 625671, 871155, 1042785, 1877013, 3128355, 5538347, 5631039, 9385065, 16615041, 16893117, 27691735, 28155195, 49845123, 83075205, 84465585, 149535369, 249225615, 448606107, 747676845, 1345818321, 2243030535, 4037454963, 6729091605, 20187274815]

約数ペア:

[(1, 20187274815), (3, 6729091605), (5, 4037454963), (9, 2243030535), (15, 1345818321), (27, 747676845), (45, 448606107), (81, 249225615), (135, 149535369), (239, 84465585), (243, 83075205), (405, 49845123), (717, 28155195), (729, 27691735), (1195, 16893117), (1215, 16615041), (2151, 9385065), (3585, 5631039), (3645, 5538347), (6453, 3128355), (10755, 1877013), (19359, 1042785), (23173, 871155), (32265, 625671), (58077, 347595), (69519, 290385), (96795, 208557), (115865, 174231)]