20090340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{467}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 61326720

約数和(自身を除く): 41236380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 467, 478, 717, 934, 956, 1195, 1401, 1434, 1868, 2151, 2335, 2390, 2802, 2868, 3585, 4203, 4302, 4670, 4780, 5604, 7005, 7170, 8406, 8604, 9340, 10755, 14010, 14340, 16812, 21015, 21510, 28020, 42030, 43020, 84060, 111613, 223226, 334839, 446452, 558065, 669678, 1004517, 1116130, 1339356, 1674195, 2009034, 2232260, 3348390, 4018068, 5022585, 6696780, 10045170, 20090340]

約数ペア:

[(1, 20090340), (2, 10045170), (3, 6696780), (4, 5022585), (5, 4018068), (6, 3348390), (9, 2232260), (10, 2009034), (12, 1674195), (15, 1339356), (18, 1116130), (20, 1004517), (30, 669678), (36, 558065), (45, 446452), (60, 334839), (90, 223226), (180, 111613), (239, 84060), (467, 43020), (478, 42030), (717, 28020), (934, 21510), (956, 21015), (1195, 16812), (1401, 14340), (1434, 14010), (1868, 10755), (2151, 9340), (2335, 8604), (2390, 8406), (2802, 7170), (2868, 7005), (3585, 5604), (4203, 4780), (4302, 4670)]