20039520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:604

約数の個数: 96

約数和(自身を含む): 64012032

約数和(自身を除く): 43972512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 83, 96, 120, 160, 166, 240, 249, 332, 415, 480, 498, 503, 664, 830, 996, 1006, 1245, 1328, 1509, 1660, 1992, 2012, 2490, 2515, 2656, 3018, 3320, 3984, 4024, 4980, 5030, 6036, 6640, 7545, 7968, 8048, 9960, 10060, 12072, 13280, 15090, 16096, 19920, 20120, 24144, 30180, 39840, 40240, 41749, 48288, 60360, 80480, 83498, 120720, 125247, 166996, 208745, 241440, 250494, 333992, 417490, 500988, 626235, 667984, 834980, 1001976, 1252470, 1335968, 1669960, 2003952, 2504940, 3339920, 4007904, 5009880, 6679840, 10019760, 20039520]

約数ペア:

[(1, 20039520), (2, 10019760), (3, 6679840), (4, 5009880), (5, 4007904), (6, 3339920), (8, 2504940), (10, 2003952), (12, 1669960), (15, 1335968), (16, 1252470), (20, 1001976), (24, 834980), (30, 667984), (32, 626235), (40, 500988), (48, 417490), (60, 333992), (80, 250494), (83, 241440), (96, 208745), (120, 166996), (160, 125247), (166, 120720), (240, 83498), (249, 80480), (332, 60360), (415, 48288), (480, 41749), (498, 40240), (503, 39840), (664, 30180), (830, 24144), (996, 20120), (1006, 19920), (1245, 16096), (1328, 15090), (1509, 13280), (1660, 12072), (1992, 10060), (2012, 9960), (2490, 8048), (2515, 7968), (2656, 7545), (3018, 6640), (3320, 6036), (3984, 5030), (4024, 4980)]