20654880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1163}}^1$

素因数の和:1218

約数の個数: 96

約数和(自身を含む): 66878784

約数和(自身を除く): 46223904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 74, 80, 96, 111, 120, 148, 160, 185, 222, 240, 296, 370, 444, 480, 555, 592, 740, 888, 1110, 1163, 1184, 1480, 1776, 2220, 2326, 2960, 3489, 3552, 4440, 4652, 5815, 5920, 6978, 8880, 9304, 11630, 13956, 17445, 17760, 18608, 23260, 27912, 34890, 37216, 43031, 46520, 55824, 69780, 86062, 93040, 111648, 129093, 139560, 172124, 186080, 215155, 258186, 279120, 344248, 430310, 516372, 558240, 645465, 688496, 860620, 1032744, 1290930, 1376992, 1721240, 2065488, 2581860, 3442480, 4130976, 5163720, 6884960, 10327440, 20654880]

約数ペア:

[(1, 20654880), (2, 10327440), (3, 6884960), (4, 5163720), (5, 4130976), (6, 3442480), (8, 2581860), (10, 2065488), (12, 1721240), (15, 1376992), (16, 1290930), (20, 1032744), (24, 860620), (30, 688496), (32, 645465), (37, 558240), (40, 516372), (48, 430310), (60, 344248), (74, 279120), (80, 258186), (96, 215155), (111, 186080), (120, 172124), (148, 139560), (160, 129093), (185, 111648), (222, 93040), (240, 86062), (296, 69780), (370, 55824), (444, 46520), (480, 43031), (555, 37216), (592, 34890), (740, 27912), (888, 23260), (1110, 18608), (1163, 17760), (1184, 17445), (1480, 13956), (1776, 11630), (2220, 9304), (2326, 8880), (2960, 6978), (3489, 5920), (3552, 5815), (4440, 4652)]