20104320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:342

約数の個数: 128

約数和(自身を含む): 66047040

約数和(自身を除く): 45942720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 283, 296, 320, 370, 384, 444, 480, 555, 566, 592, 640, 740, 849, 888, 960, 1110, 1132, 1184, 1415, 1480, 1698, 1776, 1920, 2220, 2264, 2368, 2830, 2960, 3396, 3552, 4245, 4440, 4528, 4736, 5660, 5920, 6792, 7104, 8490, 8880, 9056, 10471, 11320, 11840, 13584, 14208, 16980, 17760, 18112, 20942, 22640, 23680, 27168, 31413, 33960, 35520, 36224, 41884, 45280, 52355, 54336, 62826, 67920, 71040, 83768, 90560, 104710, 108672, 125652, 135840, 157065, 167536, 181120, 209420, 251304, 271680, 314130, 335072, 418840, 502608, 543360, 628260, 670144, 837680, 1005216, 1256520, 1340288, 1675360, 2010432, 2513040, 3350720, 4020864, 5026080, 6701440, 10052160, 20104320]

約数ペア:

[(1, 20104320), (2, 10052160), (3, 6701440), (4, 5026080), (5, 4020864), (6, 3350720), (8, 2513040), (10, 2010432), (12, 1675360), (15, 1340288), (16, 1256520), (20, 1005216), (24, 837680), (30, 670144), (32, 628260), (37, 543360), (40, 502608), (48, 418840), (60, 335072), (64, 314130), (74, 271680), (80, 251304), (96, 209420), (111, 181120), (120, 167536), (128, 157065), (148, 135840), (160, 125652), (185, 108672), (192, 104710), (222, 90560), (240, 83768), (283, 71040), (296, 67920), (320, 62826), (370, 54336), (384, 52355), (444, 45280), (480, 41884), (555, 36224), (566, 35520), (592, 33960), (640, 31413), (740, 27168), (849, 23680), (888, 22640), (960, 20942), (1110, 18112), (1132, 17760), (1184, 16980), (1415, 14208), (1480, 13584), (1698, 11840), (1776, 11320), (1920, 10471), (2220, 9056), (2264, 8880), (2368, 8490), (2830, 7104), (2960, 6792), (3396, 5920), (3552, 5660), (4245, 4736), (4440, 4528)]