20763800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 53032320

約数和(自身を除く): 32268520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 31, 34, 40, 50, 62, 68, 85, 100, 124, 136, 155, 170, 197, 200, 248, 310, 340, 394, 425, 527, 620, 680, 775, 788, 850, 985, 1054, 1240, 1550, 1576, 1700, 1970, 2108, 2635, 3100, 3349, 3400, 3940, 4216, 4925, 5270, 6107, 6200, 6698, 7880, 9850, 10540, 12214, 13175, 13396, 16745, 19700, 21080, 24428, 26350, 26792, 30535, 33490, 39400, 48856, 52700, 61070, 66980, 83725, 103819, 105400, 122140, 133960, 152675, 167450, 207638, 244280, 305350, 334900, 415276, 519095, 610700, 669800, 830552, 1038190, 1221400, 2076380, 2595475, 4152760, 5190950, 10381900, 20763800]

約数ペア:

[(1, 20763800), (2, 10381900), (4, 5190950), (5, 4152760), (8, 2595475), (10, 2076380), (17, 1221400), (20, 1038190), (25, 830552), (31, 669800), (34, 610700), (40, 519095), (50, 415276), (62, 334900), (68, 305350), (85, 244280), (100, 207638), (124, 167450), (136, 152675), (155, 133960), (170, 122140), (197, 105400), (200, 103819), (248, 83725), (310, 66980), (340, 61070), (394, 52700), (425, 48856), (527, 39400), (620, 33490), (680, 30535), (775, 26792), (788, 26350), (850, 24428), (985, 21080), (1054, 19700), (1240, 16745), (1550, 13396), (1576, 13175), (1700, 12214), (1970, 10540), (2108, 9850), (2635, 7880), (3100, 6698), (3349, 6200), (3400, 6107), (3940, 5270), (4216, 4925)]