20219273600

素因数分解:

$2^7\times 5^2\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:641

約数の個数: 192

約数和(自身を含む): 50837371200

約数和(自身を除く): 30618097600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 131, 139, 160, 200, 262, 278, 320, 347, 400, 524, 556, 640, 655, 694, 695, 800, 1048, 1112, 1310, 1388, 1390, 1600, 1735, 2096, 2224, 2620, 2776, 2780, 3200, 3275, 3470, 3475, 4192, 4448, 5240, 5552, 5560, 6550, 6940, 6950, 8384, 8675, 8896, 10480, 11104, 11120, 13100, 13880, 13900, 16768, 17350, 17792, 18209, 20960, 22208, 22240, 26200, 27760, 27800, 34700, 36418, 41920, 44416, 44480, 45457, 48233, 52400, 55520, 55600, 69400, 72836, 83840, 88960, 90914, 91045, 96466, 104800, 111040, 111200, 138800, 145672, 181828, 182090, 192932, 209600, 222080, 222400, 227285, 241165, 277600, 291344, 363656, 364180, 385864, 419200, 444800, 454570, 455225, 482330, 555200, 582688, 727312, 728360, 771728, 909140, 910450, 964660, 1110400, 1136425, 1165376, 1205825, 1454624, 1456720, 1543456, 1818280, 1820900, 1929320, 2272850, 2330752, 2411650, 2909248, 2913440, 3086912, 3636560, 3641800, 3858640, 4545700, 4823300, 5818496, 5826880, 6173824, 6318523, 7273120, 7283600, 7717280, 9091400, 9646600, 11653760, 12637046, 14546240, 14567200, 15434560, 18182800, 19293200, 25274092, 29092480, 29134400, 30869120, 31592615, 36365600, 38586400, 50548184, 58268800, 63185230, 72731200, 77172800, 101096368, 126370460, 145462400, 154345600, 157963075, 202192736, 252740920, 315926150, 404385472, 505481840, 631852300, 808770944, 1010963680, 1263704600, 2021927360, 2527409200, 4043854720, 5054818400, 10109636800, 20219273600]

約数ペア:

[(1, 20219273600), (2, 10109636800), (4, 5054818400), (5, 4043854720), (8, 2527409200), (10, 2021927360), (16, 1263704600), (20, 1010963680), (25, 808770944), (32, 631852300), (40, 505481840), (50, 404385472), (64, 315926150), (80, 252740920), (100, 202192736), (128, 157963075), (131, 154345600), (139, 145462400), (160, 126370460), (200, 101096368), (262, 77172800), (278, 72731200), (320, 63185230), (347, 58268800), (400, 50548184), (524, 38586400), (556, 36365600), (640, 31592615), (655, 30869120), (694, 29134400), (695, 29092480), (800, 25274092), (1048, 19293200), (1112, 18182800), (1310, 15434560), (1388, 14567200), (1390, 14546240), (1600, 12637046), (1735, 11653760), (2096, 9646600), (2224, 9091400), (2620, 7717280), (2776, 7283600), (2780, 7273120), (3200, 6318523), (3275, 6173824), (3470, 5826880), (3475, 5818496), (4192, 4823300), (4448, 4545700), (5240, 3858640), (5552, 3641800), (5560, 3636560), (6550, 3086912), (6940, 2913440), (6950, 2909248), (8384, 2411650), (8675, 2330752), (8896, 2272850), (10480, 1929320), (11104, 1820900), (11120, 1818280), (13100, 1543456), (13880, 1456720), (13900, 1454624), (16768, 1205825), (17350, 1165376), (17792, 1136425), (18209, 1110400), (20960, 964660), (22208, 910450), (22240, 909140), (26200, 771728), (27760, 728360), (27800, 727312), (34700, 582688), (36418, 555200), (41920, 482330), (44416, 455225), (44480, 454570), (45457, 444800), (48233, 419200), (52400, 385864), (55520, 364180), (55600, 363656), (69400, 291344), (72836, 277600), (83840, 241165), (88960, 227285), (90914, 222400), (91045, 222080), (96466, 209600), (104800, 192932), (111040, 182090), (111200, 181828), (138800, 145672)]