20372902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 38568960

約数和(自身を除く): 18196058

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 47, 61, 94, 122, 187, 209, 323, 374, 418, 517, 646, 671, 799, 893, 1034, 1037, 1159, 1342, 1598, 1786, 2074, 2318, 2867, 3553, 5734, 7106, 8789, 9823, 11407, 12749, 15181, 17578, 19646, 19703, 22814, 25498, 30362, 31537, 39406, 48739, 54473, 63074, 97478, 108946, 166991, 216733, 333982, 433466, 536129, 599203, 926041, 1072258, 1198406, 1852082, 10186451, 20372902]

約数ペア:

[(1, 20372902), (2, 10186451), (11, 1852082), (17, 1198406), (19, 1072258), (22, 926041), (34, 599203), (38, 536129), (47, 433466), (61, 333982), (94, 216733), (122, 166991), (187, 108946), (209, 97478), (323, 63074), (374, 54473), (418, 48739), (517, 39406), (646, 31537), (671, 30362), (799, 25498), (893, 22814), (1034, 19703), (1037, 19646), (1159, 17578), (1342, 15181), (1598, 12749), (1786, 11407), (2074, 9823), (2318, 8789), (2867, 7106), (3553, 5734)]