20121409278

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{401}}^1\times {\mathrm{26053}}^1$

素因数の和:26569

約数の個数: 48

約数和(自身を含む): 44115258096

約数和(自身を除く): 23993848818

約数列:

[1, 2, 3, 6, 9, 18, 107, 214, 321, 401, 642, 802, 963, 1203, 1926, 2406, 3609, 7218, 26053, 42907, 52106, 78159, 85814, 128721, 156318, 234477, 257442, 386163, 468954, 772326, 2787671, 5575342, 8363013, 10447253, 16726026, 20894506, 25089039, 31341759, 50178078, 62683518, 94025277, 188050554, 1117856071, 2235712142, 3353568213, 6707136426, 10060704639, 20121409278]

約数ペア:

[(1, 20121409278), (2, 10060704639), (3, 6707136426), (6, 3353568213), (9, 2235712142), (18, 1117856071), (107, 188050554), (214, 94025277), (321, 62683518), (401, 50178078), (642, 31341759), (802, 25089039), (963, 20894506), (1203, 16726026), (1926, 10447253), (2406, 8363013), (3609, 5575342), (7218, 2787671), (26053, 772326), (42907, 468954), (52106, 386163), (78159, 257442), (85814, 234477), (128721, 156318)]