20194773160

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{2081}}^1$

素因数の和:2291

約数の個数: 128

約数和(自身を含む): 47849356800

約数和(自身を除く): 27654583640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 83, 148, 158, 166, 185, 296, 316, 332, 370, 395, 415, 632, 664, 740, 790, 830, 1480, 1580, 1660, 2081, 2923, 3071, 3160, 3320, 4162, 5846, 6142, 6557, 8324, 10405, 11692, 12284, 13114, 14615, 15355, 16648, 20810, 23384, 24568, 26228, 29230, 30710, 32785, 41620, 52456, 58460, 61420, 65570, 76997, 83240, 116920, 122840, 131140, 153994, 164399, 172723, 242609, 262280, 307988, 328798, 345446, 384985, 485218, 615976, 657596, 690892, 769970, 821995, 863615, 970436, 1213045, 1315192, 1381784, 1539940, 1643990, 1727230, 1940872, 2426090, 3079880, 3287980, 3454460, 4852180, 6082763, 6390751, 6575960, 6908920, 9704360, 12165526, 12781502, 13645117, 24331052, 25563004, 27290234, 30413815, 31953755, 48662104, 51126008, 54580468, 60827630, 63907510, 68225585, 109160936, 121655260, 127815020, 136451170, 243310520, 255630040, 272902340, 504869329, 545804680, 1009738658, 2019477316, 2524346645, 4038954632, 5048693290, 10097386580, 20194773160]

約数ペア:

[(1, 20194773160), (2, 10097386580), (4, 5048693290), (5, 4038954632), (8, 2524346645), (10, 2019477316), (20, 1009738658), (37, 545804680), (40, 504869329), (74, 272902340), (79, 255630040), (83, 243310520), (148, 136451170), (158, 127815020), (166, 121655260), (185, 109160936), (296, 68225585), (316, 63907510), (332, 60827630), (370, 54580468), (395, 51126008), (415, 48662104), (632, 31953755), (664, 30413815), (740, 27290234), (790, 25563004), (830, 24331052), (1480, 13645117), (1580, 12781502), (1660, 12165526), (2081, 9704360), (2923, 6908920), (3071, 6575960), (3160, 6390751), (3320, 6082763), (4162, 4852180), (5846, 3454460), (6142, 3287980), (6557, 3079880), (8324, 2426090), (10405, 1940872), (11692, 1727230), (12284, 1643990), (13114, 1539940), (14615, 1381784), (15355, 1315192), (16648, 1213045), (20810, 970436), (23384, 863615), (24568, 821995), (26228, 769970), (29230, 690892), (30710, 657596), (32785, 615976), (41620, 485218), (52456, 384985), (58460, 345446), (61420, 328798), (65570, 307988), (76997, 262280), (83240, 242609), (116920, 172723), (122840, 164399), (131140, 153994)]