20468400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:519

約数の個数: 120

約数和(自身を含む): 67485264

約数和(自身を除く): 47016864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 37, 40, 48, 50, 60, 74, 75, 80, 100, 111, 120, 148, 150, 185, 200, 222, 240, 296, 300, 370, 400, 444, 461, 555, 592, 600, 740, 888, 922, 925, 1110, 1200, 1383, 1480, 1776, 1844, 1850, 2220, 2305, 2766, 2775, 2960, 3688, 3700, 4440, 4610, 5532, 5550, 6915, 7376, 7400, 8880, 9220, 11064, 11100, 11525, 13830, 14800, 17057, 18440, 22128, 22200, 23050, 27660, 34114, 34575, 36880, 44400, 46100, 51171, 55320, 68228, 69150, 85285, 92200, 102342, 110640, 136456, 138300, 170570, 184400, 204684, 255855, 272912, 276600, 341140, 409368, 426425, 511710, 553200, 682280, 818736, 852850, 1023420, 1279275, 1364560, 1705700, 2046840, 2558550, 3411400, 4093680, 5117100, 6822800, 10234200, 20468400]

約数ペア:

[(1, 20468400), (2, 10234200), (3, 6822800), (4, 5117100), (5, 4093680), (6, 3411400), (8, 2558550), (10, 2046840), (12, 1705700), (15, 1364560), (16, 1279275), (20, 1023420), (24, 852850), (25, 818736), (30, 682280), (37, 553200), (40, 511710), (48, 426425), (50, 409368), (60, 341140), (74, 276600), (75, 272912), (80, 255855), (100, 204684), (111, 184400), (120, 170570), (148, 138300), (150, 136456), (185, 110640), (200, 102342), (222, 92200), (240, 85285), (296, 69150), (300, 68228), (370, 55320), (400, 51171), (444, 46100), (461, 44400), (555, 36880), (592, 34575), (600, 34114), (740, 27660), (888, 23050), (922, 22200), (925, 22128), (1110, 18440), (1200, 17057), (1383, 14800), (1480, 13830), (1776, 11525), (1844, 11100), (1850, 11064), (2220, 9220), (2305, 8880), (2766, 7400), (2775, 7376), (2960, 6915), (3688, 5550), (3700, 5532), (4440, 4610)]