20716621804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^3\times {\mathrm{44417}}^1$

素因数の和:44495

約数の個数: 48

約数和(自身を含む): 40519876320

約数和(自身を除く): 19803254516

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 361, 646, 722, 1292, 1444, 6137, 6859, 12274, 13718, 24548, 27436, 44417, 88834, 116603, 177668, 233206, 466412, 755089, 843923, 1510178, 1687846, 3020356, 3375692, 14346691, 16034537, 28693382, 32069074, 57386764, 64138148, 272587129, 304656203, 545174258, 609312406, 1090348516, 1218624812, 5179155451, 10358310902, 20716621804]

約数ペア:

[(1, 20716621804), (2, 10358310902), (4, 5179155451), (17, 1218624812), (19, 1090348516), (34, 609312406), (38, 545174258), (68, 304656203), (76, 272587129), (323, 64138148), (361, 57386764), (646, 32069074), (722, 28693382), (1292, 16034537), (1444, 14346691), (6137, 3375692), (6859, 3020356), (12274, 1687846), (13718, 1510178), (24548, 843923), (27436, 755089), (44417, 466412), (88834, 233206), (116603, 177668)]