20580210

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10889}}^1$

素因数の和:10912

約数の個数: 64

約数和(自身を含む): 62726400

約数和(自身を除く): 42146190

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10889, 21778, 32667, 54445, 65334, 76223, 98001, 108890, 152446, 163335, 196002, 228669, 294003, 326670, 381115, 457338, 490005, 588006, 686007, 762230, 980010, 1143345, 1372014, 1470015, 2058021, 2286690, 2940030, 3430035, 4116042, 6860070, 10290105, 20580210]

約数ペア:

[(1, 20580210), (2, 10290105), (3, 6860070), (5, 4116042), (6, 3430035), (7, 2940030), (9, 2286690), (10, 2058021), (14, 1470015), (15, 1372014), (18, 1143345), (21, 980010), (27, 762230), (30, 686007), (35, 588006), (42, 490005), (45, 457338), (54, 381115), (63, 326670), (70, 294003), (90, 228669), (105, 196002), (126, 163335), (135, 152446), (189, 108890), (210, 98001), (270, 76223), (315, 65334), (378, 54445), (630, 32667), (945, 21778), (1890, 10889)]