20147660156

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{541}}^1\times {\mathrm{619}}^1$

素因数の和:1279

約数の個数: 72

約数和(自身を含む): 38742051600

約数和(自身を除く): 18594391444

約数列:

[1, 2, 4, 13, 26, 52, 89, 169, 178, 338, 356, 541, 619, 676, 1082, 1157, 1238, 2164, 2314, 2476, 4628, 7033, 8047, 14066, 15041, 16094, 28132, 30082, 32188, 48149, 55091, 60164, 91429, 96298, 104611, 110182, 182858, 192596, 209222, 220364, 334879, 365716, 418444, 625937, 669758, 716183, 1251874, 1339516, 1432366, 2503748, 2864732, 4353427, 8137181, 8706854, 9310379, 16274362, 17413708, 18620758, 29804231, 32548724, 37241516, 56594551, 59608462, 113189102, 119216924, 226378204, 387455003, 774910006, 1549820012, 5036915039, 10073830078, 20147660156]

約数ペア:

[(1, 20147660156), (2, 10073830078), (4, 5036915039), (13, 1549820012), (26, 774910006), (52, 387455003), (89, 226378204), (169, 119216924), (178, 113189102), (338, 59608462), (356, 56594551), (541, 37241516), (619, 32548724), (676, 29804231), (1082, 18620758), (1157, 17413708), (1238, 16274362), (2164, 9310379), (2314, 8706854), (2476, 8137181), (4628, 4353427), (7033, 2864732), (8047, 2503748), (14066, 1432366), (15041, 1339516), (16094, 1251874), (28132, 716183), (30082, 669758), (32188, 625937), (48149, 418444), (55091, 365716), (60164, 334879), (91429, 220364), (96298, 209222), (104611, 192596), (110182, 182858)]