20635800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 64668480

約数和(自身を除く): 44032680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 163, 200, 211, 300, 326, 422, 489, 600, 633, 652, 815, 844, 978, 1055, 1266, 1304, 1630, 1688, 1956, 2110, 2445, 2532, 3165, 3260, 3912, 4075, 4220, 4890, 5064, 5275, 6330, 6520, 8150, 8440, 9780, 10550, 12225, 12660, 15825, 16300, 19560, 21100, 24450, 25320, 31650, 32600, 34393, 42200, 48900, 63300, 68786, 97800, 103179, 126600, 137572, 171965, 206358, 275144, 343930, 412716, 515895, 687860, 825432, 859825, 1031790, 1375720, 1719650, 2063580, 2579475, 3439300, 4127160, 5158950, 6878600, 10317900, 20635800]

約数ペア:

[(1, 20635800), (2, 10317900), (3, 6878600), (4, 5158950), (5, 4127160), (6, 3439300), (8, 2579475), (10, 2063580), (12, 1719650), (15, 1375720), (20, 1031790), (24, 859825), (25, 825432), (30, 687860), (40, 515895), (50, 412716), (60, 343930), (75, 275144), (100, 206358), (120, 171965), (150, 137572), (163, 126600), (200, 103179), (211, 97800), (300, 68786), (326, 63300), (422, 48900), (489, 42200), (600, 34393), (633, 32600), (652, 31650), (815, 25320), (844, 24450), (978, 21100), (1055, 19560), (1266, 16300), (1304, 15825), (1630, 12660), (1688, 12225), (1956, 10550), (2110, 9780), (2445, 8440), (2532, 8150), (3165, 6520), (3260, 6330), (3912, 5275), (4075, 5064), (4220, 4890)]