20618892

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4813}}^1$

素因数の和:4847

約数の個数: 72

約数和(自身を含む): 63082656

約数和(自身を除く): 42463764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 4813, 9626, 14439, 19252, 28878, 33691, 43317, 57756, 67382, 81821, 86634, 101073, 134764, 163642, 173268, 202146, 245463, 303219, 327284, 404292, 490926, 572747, 606438, 736389, 981852, 1145494, 1212876, 1472778, 1718241, 2290988, 2945556, 3436482, 5154723, 6872964, 10309446, 20618892]

約数ペア:

[(1, 20618892), (2, 10309446), (3, 6872964), (4, 5154723), (6, 3436482), (7, 2945556), (9, 2290988), (12, 1718241), (14, 1472778), (17, 1212876), (18, 1145494), (21, 981852), (28, 736389), (34, 606438), (36, 572747), (42, 490926), (51, 404292), (63, 327284), (68, 303219), (84, 245463), (102, 202146), (119, 173268), (126, 163642), (153, 134764), (204, 101073), (238, 86634), (252, 81821), (306, 67382), (357, 57756), (476, 43317), (612, 33691), (714, 28878), (1071, 19252), (1428, 14439), (2142, 9626), (4284, 4813)]