20872440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1567}}^1$

素因数の和:1621

約数の個数: 96

約数和(自身を含む): 69713280

約数和(自身を除く): 48840840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 444, 555, 666, 740, 888, 1110, 1332, 1480, 1567, 1665, 2220, 2664, 3134, 3330, 4440, 4701, 6268, 6660, 7835, 9402, 12536, 13320, 14103, 15670, 18804, 23505, 28206, 31340, 37608, 47010, 56412, 57979, 62680, 70515, 94020, 112824, 115958, 141030, 173937, 188040, 231916, 282060, 289895, 347874, 463832, 521811, 564120, 579790, 695748, 869685, 1043622, 1159580, 1391496, 1739370, 2087244, 2319160, 2609055, 3478740, 4174488, 5218110, 6957480, 10436220, 20872440]

約数ペア:

[(1, 20872440), (2, 10436220), (3, 6957480), (4, 5218110), (5, 4174488), (6, 3478740), (8, 2609055), (9, 2319160), (10, 2087244), (12, 1739370), (15, 1391496), (18, 1159580), (20, 1043622), (24, 869685), (30, 695748), (36, 579790), (37, 564120), (40, 521811), (45, 463832), (60, 347874), (72, 289895), (74, 282060), (90, 231916), (111, 188040), (120, 173937), (148, 141030), (180, 115958), (185, 112824), (222, 94020), (296, 70515), (333, 62680), (360, 57979), (370, 56412), (444, 47010), (555, 37608), (666, 31340), (740, 28206), (888, 23505), (1110, 18804), (1332, 15670), (1480, 14103), (1567, 13320), (1665, 12536), (2220, 9402), (2664, 7835), (3134, 6660), (3330, 6268), (4440, 4701)]