20176290

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:83

約数の個数: 144

約数和(自身を含む): 59911488

約数和(自身を除く): 39735198

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 23, 27, 30, 38, 45, 46, 54, 57, 69, 81, 90, 95, 114, 115, 135, 138, 162, 171, 190, 207, 230, 243, 270, 285, 342, 345, 361, 405, 414, 437, 486, 513, 570, 621, 690, 722, 810, 855, 874, 1026, 1035, 1083, 1215, 1242, 1311, 1539, 1710, 1805, 1863, 2070, 2166, 2185, 2430, 2565, 2622, 3078, 3105, 3249, 3610, 3726, 3933, 4370, 4617, 5130, 5415, 5589, 6210, 6498, 6555, 7695, 7866, 8303, 9234, 9315, 9747, 10830, 11178, 11799, 13110, 15390, 16245, 16606, 18630, 19494, 19665, 23085, 23598, 24909, 27945, 29241, 32490, 35397, 39330, 41515, 46170, 48735, 49818, 55890, 58482, 58995, 70794, 74727, 83030, 87723, 97470, 106191, 117990, 124545, 146205, 149454, 175446, 176985, 212382, 224181, 249090, 292410, 353970, 373635, 438615, 448362, 530955, 672543, 747270, 877230, 1061910, 1120905, 1345086, 2017629, 2241810, 3362715, 4035258, 6725430, 10088145, 20176290]

約数ペア:

[(1, 20176290), (2, 10088145), (3, 6725430), (5, 4035258), (6, 3362715), (9, 2241810), (10, 2017629), (15, 1345086), (18, 1120905), (19, 1061910), (23, 877230), (27, 747270), (30, 672543), (38, 530955), (45, 448362), (46, 438615), (54, 373635), (57, 353970), (69, 292410), (81, 249090), (90, 224181), (95, 212382), (114, 176985), (115, 175446), (135, 149454), (138, 146205), (162, 124545), (171, 117990), (190, 106191), (207, 97470), (230, 87723), (243, 83030), (270, 74727), (285, 70794), (342, 58995), (345, 58482), (361, 55890), (405, 49818), (414, 48735), (437, 46170), (486, 41515), (513, 39330), (570, 35397), (621, 32490), (690, 29241), (722, 27945), (810, 24909), (855, 23598), (874, 23085), (1026, 19665), (1035, 19494), (1083, 18630), (1215, 16606), (1242, 16245), (1311, 15390), (1539, 13110), (1710, 11799), (1805, 11178), (1863, 10830), (2070, 9747), (2166, 9315), (2185, 9234), (2430, 8303), (2565, 7866), (2622, 7695), (3078, 6555), (3105, 6498), (3249, 6210), (3610, 5589), (3726, 5415), (3933, 5130), (4370, 4617)]