20068397160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23890949}}^1$

素因数の和:23890970

約数の個数: 64

約数和(自身を含む): 68805936000

約数和(自身を除く): 48737538840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23890949, 47781898, 71672847, 95563796, 119454745, 143345694, 167236643, 191127592, 238909490, 286691388, 334473286, 358364235, 477818980, 501709929, 573382776, 668946572, 716728470, 836183215, 955637960, 1003419858, 1337893144, 1433456940, 1672366430, 2006839716, 2508549645, 2866913880, 3344732860, 4013679432, 5017099290, 6689465720, 10034198580, 20068397160]

約数ペア:

[(1, 20068397160), (2, 10034198580), (3, 6689465720), (4, 5017099290), (5, 4013679432), (6, 3344732860), (7, 2866913880), (8, 2508549645), (10, 2006839716), (12, 1672366430), (14, 1433456940), (15, 1337893144), (20, 1003419858), (21, 955637960), (24, 836183215), (28, 716728470), (30, 668946572), (35, 573382776), (40, 501709929), (42, 477818980), (56, 358364235), (60, 334473286), (70, 286691388), (84, 238909490), (105, 191127592), (120, 167236643), (140, 143345694), (168, 119454745), (210, 95563796), (280, 71672847), (420, 47781898), (840, 23890949)]