20474766

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5147}}^1$

素因数の和:5185

約数の個数: 48

約数和(自身を含む): 50594544

約数和(自身を除く): 30119778

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 5147, 10294, 15441, 30882, 46323, 66911, 87499, 92646, 133822, 174998, 200733, 262497, 401466, 524994, 602199, 787491, 1137487, 1204398, 1574982, 2274974, 3412461, 6824922, 10237383, 20474766]

約数ペア:

[(1, 20474766), (2, 10237383), (3, 6824922), (6, 3412461), (9, 2274974), (13, 1574982), (17, 1204398), (18, 1137487), (26, 787491), (34, 602199), (39, 524994), (51, 401466), (78, 262497), (102, 200733), (117, 174998), (153, 133822), (221, 92646), (234, 87499), (306, 66911), (442, 46323), (663, 30882), (1326, 15441), (1989, 10294), (3978, 5147)]