20456400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17047}}^1$

素因数の和:17068

約数の個数: 60

約数和(自身を含む): 65532512

約数和(自身を除く): 45076112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 17047, 34094, 51141, 68188, 85235, 102282, 136376, 170470, 204564, 255705, 272752, 340940, 409128, 426175, 511410, 681880, 818256, 852350, 1022820, 1278525, 1363760, 1704700, 2045640, 2557050, 3409400, 4091280, 5114100, 6818800, 10228200, 20456400]

約数ペア:

[(1, 20456400), (2, 10228200), (3, 6818800), (4, 5114100), (5, 4091280), (6, 3409400), (8, 2557050), (10, 2045640), (12, 1704700), (15, 1363760), (16, 1278525), (20, 1022820), (24, 852350), (25, 818256), (30, 681880), (40, 511410), (48, 426175), (50, 409128), (60, 340940), (75, 272752), (80, 255705), (100, 204564), (120, 170470), (150, 136376), (200, 102282), (240, 85235), (300, 68188), (400, 51141), (600, 34094), (1200, 17047)]