20644320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1049}}^1$

素因数の和:1108

約数の個数: 96

約数和(自身を含む): 66679200

約数和(自身を除く): 46034880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 80, 82, 96, 120, 123, 160, 164, 205, 240, 246, 328, 410, 480, 492, 615, 656, 820, 984, 1049, 1230, 1312, 1640, 1968, 2098, 2460, 3147, 3280, 3936, 4196, 4920, 5245, 6294, 6560, 8392, 9840, 10490, 12588, 15735, 16784, 19680, 20980, 25176, 31470, 33568, 41960, 43009, 50352, 62940, 83920, 86018, 100704, 125880, 129027, 167840, 172036, 215045, 251760, 258054, 344072, 430090, 503520, 516108, 645135, 688144, 860180, 1032216, 1290270, 1376288, 1720360, 2064432, 2580540, 3440720, 4128864, 5161080, 6881440, 10322160, 20644320]

約数ペア:

[(1, 20644320), (2, 10322160), (3, 6881440), (4, 5161080), (5, 4128864), (6, 3440720), (8, 2580540), (10, 2064432), (12, 1720360), (15, 1376288), (16, 1290270), (20, 1032216), (24, 860180), (30, 688144), (32, 645135), (40, 516108), (41, 503520), (48, 430090), (60, 344072), (80, 258054), (82, 251760), (96, 215045), (120, 172036), (123, 167840), (160, 129027), (164, 125880), (205, 100704), (240, 86018), (246, 83920), (328, 62940), (410, 50352), (480, 43009), (492, 41960), (615, 33568), (656, 31470), (820, 25176), (984, 20980), (1049, 19680), (1230, 16784), (1312, 15735), (1640, 12588), (1968, 10490), (2098, 9840), (2460, 8392), (3147, 6560), (3280, 6294), (3936, 5245), (4196, 4920)]