20849028

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 50756160

約数和(自身を除く): 29907132

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 181, 331, 348, 362, 543, 662, 724, 993, 1086, 1324, 1986, 2172, 3972, 5249, 9599, 10498, 15747, 19198, 20996, 28797, 31494, 38396, 57594, 59911, 62988, 115188, 119822, 179733, 239644, 359466, 718932, 1737419, 3474838, 5212257, 6949676, 10424514, 20849028]

約数ペア:

[(1, 20849028), (2, 10424514), (3, 6949676), (4, 5212257), (6, 3474838), (12, 1737419), (29, 718932), (58, 359466), (87, 239644), (116, 179733), (174, 119822), (181, 115188), (331, 62988), (348, 59911), (362, 57594), (543, 38396), (662, 31494), (724, 28797), (993, 20996), (1086, 19198), (1324, 15747), (1986, 10498), (2172, 9599), (3972, 5249)]