20597220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5449}}^1$

素因数の和:5474

約数の個数: 96

約数和(自身を含む): 73248000

約数和(自身を除く): 52650780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5449, 10898, 16347, 21796, 27245, 32694, 38143, 49041, 54490, 65388, 76286, 81735, 98082, 108980, 114429, 147123, 152572, 163470, 190715, 196164, 228858, 245205, 294246, 326940, 343287, 381430, 457716, 490410, 572145, 588492, 686574, 735615, 762860, 980820, 1029861, 1144290, 1373148, 1471230, 1716435, 2059722, 2288580, 2942460, 3432870, 4119444, 5149305, 6865740, 10298610, 20597220]

約数ペア:

[(1, 20597220), (2, 10298610), (3, 6865740), (4, 5149305), (5, 4119444), (6, 3432870), (7, 2942460), (9, 2288580), (10, 2059722), (12, 1716435), (14, 1471230), (15, 1373148), (18, 1144290), (20, 1029861), (21, 980820), (27, 762860), (28, 735615), (30, 686574), (35, 588492), (36, 572145), (42, 490410), (45, 457716), (54, 381430), (60, 343287), (63, 326940), (70, 294246), (84, 245205), (90, 228858), (105, 196164), (108, 190715), (126, 163470), (135, 152572), (140, 147123), (180, 114429), (189, 108980), (210, 98082), (252, 81735), (270, 76286), (315, 65388), (378, 54490), (420, 49041), (540, 38143), (630, 32694), (756, 27245), (945, 21796), (1260, 16347), (1890, 10898), (3780, 5449)]