2020158860

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{7949}}^1$

素因数の和:8186

約数の個数: 48

約数和(自身を含む): 4319330400

約数和(自身を除く): 2299171540

約数列:

[1, 2, 4, 5, 10, 20, 97, 131, 194, 262, 388, 485, 524, 655, 970, 1310, 1940, 2620, 7949, 12707, 15898, 25414, 31796, 39745, 50828, 63535, 79490, 127070, 158980, 254140, 771053, 1041319, 1542106, 2082638, 3084212, 3855265, 4165276, 5206595, 7710530, 10413190, 15421060, 20826380, 101007943, 202015886, 404031772, 505039715, 1010079430, 2020158860]

約数ペア:

[(1, 2020158860), (2, 1010079430), (4, 505039715), (5, 404031772), (10, 202015886), (20, 101007943), (97, 20826380), (131, 15421060), (194, 10413190), (262, 7710530), (388, 5206595), (485, 4165276), (524, 3855265), (655, 3084212), (970, 2082638), (1310, 1542106), (1940, 1041319), (2620, 771053), (7949, 254140), (12707, 158980), (15898, 127070), (25414, 79490), (31796, 63535), (39745, 50828)]