20198430

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10687}}^1$

素因数の和:10710

約数の個数: 64

約数和(自身を含む): 61562880

約数和(自身を除く): 41364450

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, 10687, 21374, 32061, 53435, 64122, 74809, 96183, 106870, 149618, 160305, 192366, 224427, 288549, 320610, 374045, 448854, 480915, 577098, 673281, 748090, 961830, 1122135, 1346562, 1442745, 2019843, 2244270, 2885490, 3366405, 4039686, 6732810, 10099215, 20198430]

約数ペア:

[(1, 20198430), (2, 10099215), (3, 6732810), (5, 4039686), (6, 3366405), (7, 2885490), (9, 2244270), (10, 2019843), (14, 1442745), (15, 1346562), (18, 1122135), (21, 961830), (27, 748090), (30, 673281), (35, 577098), (42, 480915), (45, 448854), (54, 374045), (63, 320610), (70, 288549), (90, 224427), (105, 192366), (126, 160305), (135, 149618), (189, 106870), (210, 96183), (270, 74809), (315, 64122), (378, 53435), (630, 32061), (945, 21374), (1890, 10687)]