20045069572

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{619}}^1\times {\mathrm{2909}}^1$

素因数の和:3577

約数の個数: 72

約数和(自身を含む): 40313044800

約数和(自身を除く): 20267975228

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 121, 242, 253, 484, 506, 619, 1012, 1238, 2476, 2783, 2909, 5566, 5818, 6809, 11132, 11636, 13618, 14237, 27236, 28474, 31999, 56948, 63998, 66907, 74899, 127996, 133814, 149798, 156607, 267628, 299596, 313214, 351989, 626428, 703978, 735977, 1407956, 1471954, 1722677, 1800671, 2943908, 3445354, 3601342, 6890708, 7202684, 8095747, 16191494, 19807381, 32382988, 39614762, 41415433, 79229524, 82830866, 165661732, 217881191, 435762382, 455569763, 871524764, 911139526, 1822279052, 5011267393, 10022534786, 20045069572]

約数ペア:

[(1, 20045069572), (2, 10022534786), (4, 5011267393), (11, 1822279052), (22, 911139526), (23, 871524764), (44, 455569763), (46, 435762382), (92, 217881191), (121, 165661732), (242, 82830866), (253, 79229524), (484, 41415433), (506, 39614762), (619, 32382988), (1012, 19807381), (1238, 16191494), (2476, 8095747), (2783, 7202684), (2909, 6890708), (5566, 3601342), (5818, 3445354), (6809, 2943908), (11132, 1800671), (11636, 1722677), (13618, 1471954), (14237, 1407956), (27236, 735977), (28474, 703978), (31999, 626428), (56948, 351989), (63998, 313214), (66907, 299596), (74899, 267628), (127996, 156607), (133814, 149798)]