20216012418

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{619477}}^1$

素因数の和:619536

約数の個数: 72

約数和(自身を含む): 52329784572

約数和(自身を除く): 32113772154

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 49, 63, 74, 98, 111, 126, 147, 222, 259, 294, 333, 441, 518, 666, 777, 882, 1554, 1813, 2331, 3626, 4662, 5439, 10878, 16317, 32634, 619477, 1238954, 1858431, 3716862, 4336339, 5575293, 8672678, 11150586, 13009017, 22920649, 26018034, 30354373, 39027051, 45841298, 60708746, 68761947, 78054102, 91063119, 137523894, 160444543, 182126238, 206285841, 273189357, 320889086, 412571682, 481333629, 546378714, 962667258, 1123111801, 1444000887, 2246223602, 2888001774, 3369335403, 6738670806, 10108006209, 20216012418]

約数ペア:

[(1, 20216012418), (2, 10108006209), (3, 6738670806), (6, 3369335403), (7, 2888001774), (9, 2246223602), (14, 1444000887), (18, 1123111801), (21, 962667258), (37, 546378714), (42, 481333629), (49, 412571682), (63, 320889086), (74, 273189357), (98, 206285841), (111, 182126238), (126, 160444543), (147, 137523894), (222, 91063119), (259, 78054102), (294, 68761947), (333, 60708746), (441, 45841298), (518, 39027051), (666, 30354373), (777, 26018034), (882, 22920649), (1554, 13009017), (1813, 11150586), (2331, 8672678), (3626, 5575293), (4662, 4336339), (5439, 3716862), (10878, 1858431), (16317, 1238954), (32634, 619477)]