20170486520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{58411}}^1$

素因数の和:58608

約数の個数: 64

約数和(自身を含む): 46367445600

約数和(自身を除く): 26196959080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 97, 178, 194, 356, 388, 445, 485, 712, 776, 890, 970, 1780, 1940, 3560, 3880, 8633, 17266, 34532, 43165, 58411, 69064, 86330, 116822, 172660, 233644, 292055, 345320, 467288, 584110, 1168220, 2336440, 5198579, 5665867, 10397158, 11331734, 20794316, 22663468, 25992895, 28329335, 41588632, 45326936, 51985790, 56658670, 103971580, 113317340, 207943160, 226634680, 504262163, 1008524326, 2017048652, 2521310815, 4034097304, 5042621630, 10085243260, 20170486520]

約数ペア:

[(1, 20170486520), (2, 10085243260), (4, 5042621630), (5, 4034097304), (8, 2521310815), (10, 2017048652), (20, 1008524326), (40, 504262163), (89, 226634680), (97, 207943160), (178, 113317340), (194, 103971580), (356, 56658670), (388, 51985790), (445, 45326936), (485, 41588632), (712, 28329335), (776, 25992895), (890, 22663468), (970, 20794316), (1780, 11331734), (1940, 10397158), (3560, 5665867), (3880, 5198579), (8633, 2336440), (17266, 1168220), (34532, 584110), (43165, 467288), (58411, 345320), (69064, 292055), (86330, 233644), (116822, 172660)]