20164271408

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{9439}}^1$

素因数の和:9610

約数の個数: 80

約数和(自身を含む): 41578291200

約数和(自身を除く): 21414019792

約数列:

[1, 2, 4, 8, 16, 31, 59, 62, 73, 118, 124, 146, 236, 248, 292, 472, 496, 584, 944, 1168, 1829, 2263, 3658, 4307, 4526, 7316, 8614, 9052, 9439, 14632, 17228, 18104, 18878, 29264, 34456, 36208, 37756, 68912, 75512, 133517, 151024, 267034, 292609, 534068, 556901, 585218, 689047, 1068136, 1113802, 1170436, 1378094, 2136272, 2227604, 2340872, 2756188, 4455208, 4681744, 5512376, 8910416, 11024752, 17263931, 21360457, 34527862, 40653773, 42720914, 69055724, 81307546, 85441828, 138111448, 162615092, 170883656, 276222896, 325230184, 341767312, 650460368, 1260266963, 2520533926, 5041067852, 10082135704, 20164271408]

約数ペア:

[(1, 20164271408), (2, 10082135704), (4, 5041067852), (8, 2520533926), (16, 1260266963), (31, 650460368), (59, 341767312), (62, 325230184), (73, 276222896), (118, 170883656), (124, 162615092), (146, 138111448), (236, 85441828), (248, 81307546), (292, 69055724), (472, 42720914), (496, 40653773), (584, 34527862), (944, 21360457), (1168, 17263931), (1829, 11024752), (2263, 8910416), (3658, 5512376), (4307, 4681744), (4526, 4455208), (7316, 2756188), (8614, 2340872), (9052, 2227604), (9439, 2136272), (14632, 1378094), (17228, 1170436), (18104, 1113802), (18878, 1068136), (29264, 689047), (34456, 585218), (36208, 556901), (37756, 534068), (68912, 292609), (75512, 267034), (133517, 151024)]