20547510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 52157952

約数和(自身を除く): 31610442

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 97, 115, 138, 194, 230, 291, 307, 345, 485, 582, 614, 690, 921, 970, 1455, 1535, 1842, 2231, 2910, 3070, 4462, 4605, 6693, 7061, 9210, 11155, 13386, 14122, 21183, 22310, 29779, 33465, 35305, 42366, 59558, 66930, 70610, 89337, 105915, 148895, 178674, 211830, 297790, 446685, 684917, 893370, 1369834, 2054751, 3424585, 4109502, 6849170, 10273755, 20547510]

約数ペア:

[(1, 20547510), (2, 10273755), (3, 6849170), (5, 4109502), (6, 3424585), (10, 2054751), (15, 1369834), (23, 893370), (30, 684917), (46, 446685), (69, 297790), (97, 211830), (115, 178674), (138, 148895), (194, 105915), (230, 89337), (291, 70610), (307, 66930), (345, 59558), (485, 42366), (582, 35305), (614, 33465), (690, 29779), (921, 22310), (970, 21183), (1455, 14122), (1535, 13386), (1842, 11155), (2231, 9210), (2910, 7061), (3070, 6693), (4462, 4605)]