20303399240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{722027}}^1$

素因数の和:722094

約数の個数: 64

約数和(自身を含む): 49386715200

約数和(自身を除く): 29083315960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2812, 3515, 5624, 7030, 14060, 28120, 722027, 1444054, 2888108, 3610135, 5776216, 7220270, 13718513, 14440540, 26714999, 27437026, 28881080, 53429998, 54874052, 68592565, 106859996, 109748104, 133574995, 137185130, 213719992, 267149990, 274370260, 507584981, 534299980, 548740520, 1015169962, 1068599960, 2030339924, 2537924905, 4060679848, 5075849810, 10151699620, 20303399240]

約数ペア:

[(1, 20303399240), (2, 10151699620), (4, 5075849810), (5, 4060679848), (8, 2537924905), (10, 2030339924), (19, 1068599960), (20, 1015169962), (37, 548740520), (38, 534299980), (40, 507584981), (74, 274370260), (76, 267149990), (95, 213719992), (148, 137185130), (152, 133574995), (185, 109748104), (190, 106859996), (296, 68592565), (370, 54874052), (380, 53429998), (703, 28881080), (740, 27437026), (760, 26714999), (1406, 14440540), (1480, 13718513), (2812, 7220270), (3515, 5776216), (5624, 3610135), (7030, 2888108), (14060, 1444054), (28120, 722027)]