20770320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2339}}^1$

素因数の和:2392

約数の個数: 80

約数和(自身を含む): 66156480

約数和(自身を除く): 45386160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2339, 2960, 4440, 4678, 7017, 8880, 9356, 11695, 14034, 18712, 23390, 28068, 35085, 37424, 46780, 56136, 70170, 86543, 93560, 112272, 140340, 173086, 187120, 259629, 280680, 346172, 432715, 519258, 561360, 692344, 865430, 1038516, 1298145, 1384688, 1730860, 2077032, 2596290, 3461720, 4154064, 5192580, 6923440, 10385160, 20770320]

約数ペア:

[(1, 20770320), (2, 10385160), (3, 6923440), (4, 5192580), (5, 4154064), (6, 3461720), (8, 2596290), (10, 2077032), (12, 1730860), (15, 1384688), (16, 1298145), (20, 1038516), (24, 865430), (30, 692344), (37, 561360), (40, 519258), (48, 432715), (60, 346172), (74, 280680), (80, 259629), (111, 187120), (120, 173086), (148, 140340), (185, 112272), (222, 93560), (240, 86543), (296, 70170), (370, 56136), (444, 46780), (555, 37424), (592, 35085), (740, 28068), (888, 23390), (1110, 18712), (1480, 14034), (1776, 11695), (2220, 9356), (2339, 8880), (2960, 7017), (4440, 4678)]