20018932

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 39513600

約数和(自身を除く): 19494668

約数列:

[1, 2, 4, 19, 29, 31, 38, 58, 62, 76, 116, 124, 293, 551, 586, 589, 899, 1102, 1172, 1178, 1798, 2204, 2356, 3596, 5567, 8497, 9083, 11134, 16994, 17081, 18166, 22268, 33988, 34162, 36332, 68324, 161443, 172577, 263407, 322886, 345154, 526814, 645772, 690308, 1053628, 5004733, 10009466, 20018932]

約数ペア:

[(1, 20018932), (2, 10009466), (4, 5004733), (19, 1053628), (29, 690308), (31, 645772), (38, 526814), (58, 345154), (62, 322886), (76, 263407), (116, 172577), (124, 161443), (293, 68324), (551, 36332), (586, 34162), (589, 33988), (899, 22268), (1102, 18166), (1172, 17081), (1178, 16994), (1798, 11134), (2204, 9083), (2356, 8497), (3596, 5567)]