20753838

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9689}}^1$

素因数の和:9721

約数の個数: 48

約数和(自身を含む): 54419040

約数和(自身を除く): 33665202

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 9689, 19378, 29067, 58134, 67823, 87201, 135646, 164713, 174402, 203469, 329426, 406938, 494139, 610407, 988278, 1152991, 1220814, 1482417, 2305982, 2964834, 3458973, 6917946, 10376919, 20753838]

約数ペア:

[(1, 20753838), (2, 10376919), (3, 6917946), (6, 3458973), (7, 2964834), (9, 2305982), (14, 1482417), (17, 1220814), (18, 1152991), (21, 988278), (34, 610407), (42, 494139), (51, 406938), (63, 329426), (102, 203469), (119, 174402), (126, 164713), (153, 135646), (238, 87201), (306, 67823), (357, 58134), (714, 29067), (1071, 19378), (2142, 9689)]