20856331332

素因数分解:

$2^2\times 3^6\times {\mathrm{191}}^1\times {\mathrm{37447}}^1$

素因数の和:37660

約数の個数: 84

約数和(自身を含む): 55010812416

約数和(自身を除く): 34154481084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 191, 243, 324, 382, 486, 573, 729, 764, 972, 1146, 1458, 1719, 2292, 2916, 3438, 5157, 6876, 10314, 15471, 20628, 30942, 37447, 46413, 61884, 74894, 92826, 112341, 139239, 149788, 185652, 224682, 278478, 337023, 449364, 556956, 674046, 1011069, 1348092, 2022138, 3033207, 4044276, 6066414, 7152377, 9099621, 12132828, 14304754, 18199242, 21457131, 27298863, 28609508, 36398484, 42914262, 54597726, 64371393, 85828524, 109195452, 128742786, 193114179, 257485572, 386228358, 579342537, 772456716, 1158685074, 1738027611, 2317370148, 3476055222, 5214082833, 6952110444, 10428165666, 20856331332]

約数ペア:

[(1, 20856331332), (2, 10428165666), (3, 6952110444), (4, 5214082833), (6, 3476055222), (9, 2317370148), (12, 1738027611), (18, 1158685074), (27, 772456716), (36, 579342537), (54, 386228358), (81, 257485572), (108, 193114179), (162, 128742786), (191, 109195452), (243, 85828524), (324, 64371393), (382, 54597726), (486, 42914262), (573, 36398484), (729, 28609508), (764, 27298863), (972, 21457131), (1146, 18199242), (1458, 14304754), (1719, 12132828), (2292, 9099621), (2916, 7152377), (3438, 6066414), (5157, 4044276), (6876, 3033207), (10314, 2022138), (15471, 1348092), (20628, 1011069), (30942, 674046), (37447, 556956), (46413, 449364), (61884, 337023), (74894, 278478), (92826, 224682), (112341, 185652), (139239, 149788)]