20235552140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{31123}}^1$

素因数の和:31239

約数の個数: 96

約数和(自身を含む): 47059488000

約数和(自身を除く): 26823935860

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 59, 76, 95, 116, 118, 145, 190, 236, 290, 295, 380, 551, 580, 590, 1102, 1121, 1180, 1711, 2204, 2242, 2755, 3422, 4484, 5510, 5605, 6844, 8555, 11020, 11210, 17110, 22420, 31123, 32509, 34220, 62246, 65018, 124492, 130036, 155615, 162545, 311230, 325090, 591337, 622460, 650180, 902567, 1182674, 1805134, 1836257, 2365348, 2956685, 3610268, 3672514, 4512835, 5913370, 7345028, 9025670, 9181285, 11826740, 17148773, 18051340, 18362570, 34297546, 34888883, 36725140, 53251453, 68595092, 69777766, 85743865, 106502906, 139555532, 171487730, 174444415, 213005812, 266257265, 342975460, 348888830, 532514530, 697777660, 1011777607, 1065029060, 2023555214, 4047110428, 5058888035, 10117776070, 20235552140]

約数ペア:

[(1, 20235552140), (2, 10117776070), (4, 5058888035), (5, 4047110428), (10, 2023555214), (19, 1065029060), (20, 1011777607), (29, 697777660), (38, 532514530), (58, 348888830), (59, 342975460), (76, 266257265), (95, 213005812), (116, 174444415), (118, 171487730), (145, 139555532), (190, 106502906), (236, 85743865), (290, 69777766), (295, 68595092), (380, 53251453), (551, 36725140), (580, 34888883), (590, 34297546), (1102, 18362570), (1121, 18051340), (1180, 17148773), (1711, 11826740), (2204, 9181285), (2242, 9025670), (2755, 7345028), (3422, 5913370), (4484, 4512835), (5510, 3672514), (5605, 3610268), (6844, 2956685), (8555, 2365348), (11020, 1836257), (11210, 1805134), (17110, 1182674), (22420, 902567), (31123, 650180), (32509, 622460), (34220, 591337), (62246, 325090), (65018, 311230), (124492, 162545), (130036, 155615)]