20210013090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1\times {\mathrm{2689}}^1$

素因数の和:2837

約数の個数: 144

約数和(自身を含む): 54910313640

約数和(自身を除く): 34700300550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 61, 74, 90, 111, 122, 183, 185, 222, 305, 333, 366, 370, 549, 555, 610, 666, 915, 1098, 1110, 1369, 1665, 1830, 2257, 2689, 2738, 2745, 3330, 4107, 4514, 5378, 5490, 6771, 6845, 8067, 8214, 11285, 12321, 13445, 13542, 13690, 16134, 20313, 20535, 22570, 24201, 24642, 26890, 33855, 40335, 40626, 41070, 48402, 61605, 67710, 80670, 83509, 99493, 101565, 121005, 123210, 164029, 167018, 198986, 203130, 242010, 250527, 298479, 328058, 417545, 492087, 497465, 501054, 596958, 751581, 820145, 835090, 895437, 984174, 994930, 1252635, 1476261, 1492395, 1503162, 1640290, 1790874, 2460435, 2505270, 2952522, 2984790, 3681241, 3757905, 4477185, 4920870, 6069073, 7362482, 7381305, 7515810, 8954370, 11043723, 12138146, 14762610, 18207219, 18406205, 22087446, 30345365, 33131169, 36414438, 36812410, 54621657, 55218615, 60690730, 66262338, 91036095, 109243314, 110437230, 165655845, 182072190, 224555701, 273108285, 331311690, 449111402, 546216570, 673667103, 1122778505, 1347334206, 2021001309, 2245557010, 3368335515, 4042002618, 6736671030, 10105006545, 20210013090]

約数ペア:

[(1, 20210013090), (2, 10105006545), (3, 6736671030), (5, 4042002618), (6, 3368335515), (9, 2245557010), (10, 2021001309), (15, 1347334206), (18, 1122778505), (30, 673667103), (37, 546216570), (45, 449111402), (61, 331311690), (74, 273108285), (90, 224555701), (111, 182072190), (122, 165655845), (183, 110437230), (185, 109243314), (222, 91036095), (305, 66262338), (333, 60690730), (366, 55218615), (370, 54621657), (549, 36812410), (555, 36414438), (610, 33131169), (666, 30345365), (915, 22087446), (1098, 18406205), (1110, 18207219), (1369, 14762610), (1665, 12138146), (1830, 11043723), (2257, 8954370), (2689, 7515810), (2738, 7381305), (2745, 7362482), (3330, 6069073), (4107, 4920870), (4514, 4477185), (5378, 3757905), (5490, 3681241), (6771, 2984790), (6845, 2952522), (8067, 2505270), (8214, 2460435), (11285, 1790874), (12321, 1640290), (13445, 1503162), (13542, 1492395), (13690, 1476261), (16134, 1252635), (20313, 994930), (20535, 984174), (22570, 895437), (24201, 835090), (24642, 820145), (26890, 751581), (33855, 596958), (40335, 501054), (40626, 497465), (41070, 492087), (48402, 417545), (61605, 328058), (67710, 298479), (80670, 250527), (83509, 242010), (99493, 203130), (101565, 198986), (121005, 167018), (123210, 164029)]