20272860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{67}}^1$

素因数の和:164

約数の個数: 108

約数和(自身を含む): 63971544

約数和(自身を除く): 43698684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 67, 82, 90, 123, 134, 164, 180, 201, 205, 246, 268, 335, 369, 402, 410, 492, 603, 615, 670, 738, 804, 820, 1005, 1206, 1230, 1340, 1476, 1681, 1845, 2010, 2412, 2460, 2747, 3015, 3362, 3690, 4020, 5043, 5494, 6030, 6724, 7380, 8241, 8405, 10086, 10988, 12060, 13735, 15129, 16482, 16810, 20172, 24723, 25215, 27470, 30258, 32964, 33620, 41205, 49446, 50430, 54940, 60516, 75645, 82410, 98892, 100860, 112627, 123615, 151290, 164820, 225254, 247230, 302580, 337881, 450508, 494460, 563135, 675762, 1013643, 1126270, 1351524, 1689405, 2027286, 2252540, 3378810, 4054572, 5068215, 6757620, 10136430, 20272860]

約数ペア:

[(1, 20272860), (2, 10136430), (3, 6757620), (4, 5068215), (5, 4054572), (6, 3378810), (9, 2252540), (10, 2027286), (12, 1689405), (15, 1351524), (18, 1126270), (20, 1013643), (30, 675762), (36, 563135), (41, 494460), (45, 450508), (60, 337881), (67, 302580), (82, 247230), (90, 225254), (123, 164820), (134, 151290), (164, 123615), (180, 112627), (201, 100860), (205, 98892), (246, 82410), (268, 75645), (335, 60516), (369, 54940), (402, 50430), (410, 49446), (492, 41205), (603, 33620), (615, 32964), (670, 30258), (738, 27470), (804, 25215), (820, 24723), (1005, 20172), (1206, 16810), (1230, 16482), (1340, 15129), (1476, 13735), (1681, 12060), (1845, 10988), (2010, 10086), (2412, 8405), (2460, 8241), (2747, 7380), (3015, 6724), (3362, 6030), (3690, 5494), (4020, 5043)]