20238720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 128

約数和(自身を含む): 65802240

約数和(自身を除く): 45563520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 120, 127, 128, 160, 166, 192, 240, 249, 254, 320, 332, 381, 384, 415, 480, 498, 508, 635, 640, 664, 762, 830, 960, 996, 1016, 1245, 1270, 1328, 1524, 1660, 1905, 1920, 1992, 2032, 2490, 2540, 2656, 3048, 3320, 3810, 3984, 4064, 4980, 5080, 5312, 6096, 6640, 7620, 7968, 8128, 9960, 10160, 10541, 10624, 12192, 13280, 15240, 15936, 16256, 19920, 20320, 21082, 24384, 26560, 30480, 31623, 31872, 39840, 40640, 42164, 48768, 52705, 53120, 60960, 63246, 79680, 81280, 84328, 105410, 121920, 126492, 158115, 159360, 168656, 210820, 243840, 252984, 316230, 337312, 421640, 505968, 632460, 674624, 843280, 1011936, 1264920, 1349248, 1686560, 2023872, 2529840, 3373120, 4047744, 5059680, 6746240, 10119360, 20238720]

約数ペア:

[(1, 20238720), (2, 10119360), (3, 6746240), (4, 5059680), (5, 4047744), (6, 3373120), (8, 2529840), (10, 2023872), (12, 1686560), (15, 1349248), (16, 1264920), (20, 1011936), (24, 843280), (30, 674624), (32, 632460), (40, 505968), (48, 421640), (60, 337312), (64, 316230), (80, 252984), (83, 243840), (96, 210820), (120, 168656), (127, 159360), (128, 158115), (160, 126492), (166, 121920), (192, 105410), (240, 84328), (249, 81280), (254, 79680), (320, 63246), (332, 60960), (381, 53120), (384, 52705), (415, 48768), (480, 42164), (498, 40640), (508, 39840), (635, 31872), (640, 31623), (664, 30480), (762, 26560), (830, 24384), (960, 21082), (996, 20320), (1016, 19920), (1245, 16256), (1270, 15936), (1328, 15240), (1524, 13280), (1660, 12192), (1905, 10624), (1920, 10541), (1992, 10160), (2032, 9960), (2490, 8128), (2540, 7968), (2656, 7620), (3048, 6640), (3320, 6096), (3810, 5312), (3984, 5080), (4064, 4980)]