20818451010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1759}}^1\times {\mathrm{56359}}^1$

素因数の和:58135

約数の個数: 64

約数和(自身を含む): 57135513600

約数和(自身を除く): 36317062590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1759, 3518, 5277, 8795, 10554, 12313, 17590, 24626, 26385, 36939, 52770, 56359, 61565, 73878, 112718, 123130, 169077, 184695, 281795, 338154, 369390, 394513, 563590, 789026, 845385, 1183539, 1690770, 1972565, 2367078, 3945130, 5917695, 11835390, 99135481, 198270962, 297406443, 495677405, 594812886, 693948367, 991354810, 1387896734, 1487032215, 2081845101, 2974064430, 3469741835, 4163690202, 6939483670, 10409225505, 20818451010]

約数ペア:

[(1, 20818451010), (2, 10409225505), (3, 6939483670), (5, 4163690202), (6, 3469741835), (7, 2974064430), (10, 2081845101), (14, 1487032215), (15, 1387896734), (21, 991354810), (30, 693948367), (35, 594812886), (42, 495677405), (70, 297406443), (105, 198270962), (210, 99135481), (1759, 11835390), (3518, 5917695), (5277, 3945130), (8795, 2367078), (10554, 1972565), (12313, 1690770), (17590, 1183539), (24626, 845385), (26385, 789026), (36939, 563590), (52770, 394513), (56359, 369390), (61565, 338154), (73878, 281795), (112718, 184695), (123130, 169077)]