20222580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:649

約数の個数: 96

約数和(自身を含む): 65560320

約数和(自身を除く): 45337740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 267, 356, 420, 445, 534, 541, 623, 890, 1068, 1082, 1246, 1335, 1623, 1780, 1869, 2164, 2492, 2670, 2705, 3115, 3246, 3738, 3787, 5340, 5410, 6230, 6492, 7476, 7574, 8115, 9345, 10820, 11361, 12460, 15148, 16230, 18690, 18935, 22722, 32460, 37380, 37870, 45444, 48149, 56805, 75740, 96298, 113610, 144447, 192596, 227220, 240745, 288894, 337043, 481490, 577788, 674086, 722235, 962980, 1011129, 1348172, 1444470, 1685215, 2022258, 2888940, 3370430, 4044516, 5055645, 6740860, 10111290, 20222580]

約数ペア:

[(1, 20222580), (2, 10111290), (3, 6740860), (4, 5055645), (5, 4044516), (6, 3370430), (7, 2888940), (10, 2022258), (12, 1685215), (14, 1444470), (15, 1348172), (20, 1011129), (21, 962980), (28, 722235), (30, 674086), (35, 577788), (42, 481490), (60, 337043), (70, 288894), (84, 240745), (89, 227220), (105, 192596), (140, 144447), (178, 113610), (210, 96298), (267, 75740), (356, 56805), (420, 48149), (445, 45444), (534, 37870), (541, 37380), (623, 32460), (890, 22722), (1068, 18935), (1082, 18690), (1246, 16230), (1335, 15148), (1623, 12460), (1780, 11361), (1869, 10820), (2164, 9345), (2492, 8115), (2670, 7574), (2705, 7476), (3115, 6492), (3246, 6230), (3738, 5410), (3787, 5340)]