20996941420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{607199}}^1$

素因数の和:607247

約数の個数: 96

約数和(自身を含む): 57125376000

約数和(自身を除く): 36128434580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 2470, 2660, 3458, 4940, 6916, 8645, 17290, 34580, 607199, 1214398, 2428796, 3035995, 4250393, 6071990, 7893587, 8500786, 11536781, 12143980, 15787174, 17001572, 21251965, 23073562, 31574348, 39467935, 42503930, 46147124, 55255109, 57683905, 78935870, 80757467, 85007860, 110510218, 115367810, 149978153, 157871740, 161514934, 221020436, 230735620, 276275545, 299956306, 323029868, 403787335, 552551090, 599912612, 749890765, 807574670, 1049847071, 1105102180, 1499781530, 1615149340, 2099694142, 2999563060, 4199388284, 5249235355, 10498470710, 20996941420]

約数ペア:

[(1, 20996941420), (2, 10498470710), (4, 5249235355), (5, 4199388284), (7, 2999563060), (10, 2099694142), (13, 1615149340), (14, 1499781530), (19, 1105102180), (20, 1049847071), (26, 807574670), (28, 749890765), (35, 599912612), (38, 552551090), (52, 403787335), (65, 323029868), (70, 299956306), (76, 276275545), (91, 230735620), (95, 221020436), (130, 161514934), (133, 157871740), (140, 149978153), (182, 115367810), (190, 110510218), (247, 85007860), (260, 80757467), (266, 78935870), (364, 57683905), (380, 55255109), (455, 46147124), (494, 42503930), (532, 39467935), (665, 31574348), (910, 23073562), (988, 21251965), (1235, 17001572), (1330, 15787174), (1729, 12143980), (1820, 11536781), (2470, 8500786), (2660, 7893587), (3458, 6071990), (4940, 4250393), (6916, 3035995), (8645, 2428796), (17290, 1214398), (34580, 607199)]