20925120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:398

約数の個数: 112

約数和(自身を含む): 67592448

約数和(自身を除く): 46667328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 142, 160, 192, 213, 240, 284, 307, 320, 355, 426, 480, 568, 614, 710, 852, 921, 960, 1065, 1136, 1228, 1420, 1535, 1704, 1842, 2130, 2272, 2456, 2840, 3070, 3408, 3684, 4260, 4544, 4605, 4912, 5680, 6140, 6816, 7368, 8520, 9210, 9824, 11360, 12280, 13632, 14736, 17040, 18420, 19648, 21797, 22720, 24560, 29472, 34080, 36840, 43594, 49120, 58944, 65391, 68160, 73680, 87188, 98240, 108985, 130782, 147360, 174376, 217970, 261564, 294720, 326955, 348752, 435940, 523128, 653910, 697504, 871880, 1046256, 1307820, 1395008, 1743760, 2092512, 2615640, 3487520, 4185024, 5231280, 6975040, 10462560, 20925120]

約数ペア:

[(1, 20925120), (2, 10462560), (3, 6975040), (4, 5231280), (5, 4185024), (6, 3487520), (8, 2615640), (10, 2092512), (12, 1743760), (15, 1395008), (16, 1307820), (20, 1046256), (24, 871880), (30, 697504), (32, 653910), (40, 523128), (48, 435940), (60, 348752), (64, 326955), (71, 294720), (80, 261564), (96, 217970), (120, 174376), (142, 147360), (160, 130782), (192, 108985), (213, 98240), (240, 87188), (284, 73680), (307, 68160), (320, 65391), (355, 58944), (426, 49120), (480, 43594), (568, 36840), (614, 34080), (710, 29472), (852, 24560), (921, 22720), (960, 21797), (1065, 19648), (1136, 18420), (1228, 17040), (1420, 14736), (1535, 13632), (1704, 12280), (1842, 11360), (2130, 9824), (2272, 9210), (2456, 8520), (2840, 7368), (3070, 6816), (3408, 6140), (3684, 5680), (4260, 4912), (4544, 4605)]