20176976120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{97511}}^1$

素因数の和:98268

約数の個数: 64

約数和(自身を含む): 51954393600

約数和(自身を除く): 31777417480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 739, 1478, 2956, 3695, 5173, 5912, 7390, 10346, 14780, 20692, 25865, 29560, 41384, 51730, 97511, 103460, 195022, 206920, 390044, 487555, 682577, 780088, 975110, 1365154, 1950220, 2730308, 3412885, 3900440, 5460616, 6825770, 13651540, 27303080, 72060629, 144121258, 288242516, 360303145, 504424403, 576485032, 720606290, 1008848806, 1441212580, 2017697612, 2522122015, 2882425160, 4035395224, 5044244030, 10088488060, 20176976120]

約数ペア:

[(1, 20176976120), (2, 10088488060), (4, 5044244030), (5, 4035395224), (7, 2882425160), (8, 2522122015), (10, 2017697612), (14, 1441212580), (20, 1008848806), (28, 720606290), (35, 576485032), (40, 504424403), (56, 360303145), (70, 288242516), (140, 144121258), (280, 72060629), (739, 27303080), (1478, 13651540), (2956, 6825770), (3695, 5460616), (5173, 3900440), (5912, 3412885), (7390, 2730308), (10346, 1950220), (14780, 1365154), (20692, 975110), (25865, 780088), (29560, 682577), (41384, 487555), (51730, 390044), (97511, 206920), (103460, 195022)]