20171868712

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{353}}^1\times {\mathrm{379}}^1\times {\mathrm{401}}^1$

素因数の和:1186

約数の個数: 64

約数和(自身を含む): 38935468800

約数和(自身を除く): 18763600088

約数列:

[1, 2, 4, 8, 47, 94, 188, 353, 376, 379, 401, 706, 758, 802, 1412, 1516, 1604, 2824, 3032, 3208, 16591, 17813, 18847, 33182, 35626, 37694, 66364, 71252, 75388, 132728, 133787, 141553, 142504, 150776, 151979, 267574, 283106, 303958, 535148, 566212, 607916, 1070296, 1132424, 1215832, 6287989, 6652991, 7143013, 12575978, 13305982, 14286026, 25151956, 26611964, 28572052, 50303912, 53223928, 53648587, 57144104, 107297174, 214594348, 429188696, 2521483589, 5042967178, 10085934356, 20171868712]

約数ペア:

[(1, 20171868712), (2, 10085934356), (4, 5042967178), (8, 2521483589), (47, 429188696), (94, 214594348), (188, 107297174), (353, 57144104), (376, 53648587), (379, 53223928), (401, 50303912), (706, 28572052), (758, 26611964), (802, 25151956), (1412, 14286026), (1516, 13305982), (1604, 12575978), (2824, 7143013), (3032, 6652991), (3208, 6287989), (16591, 1215832), (17813, 1132424), (18847, 1070296), (33182, 607916), (35626, 566212), (37694, 535148), (66364, 303958), (71252, 283106), (75388, 267574), (132728, 151979), (133787, 150776), (141553, 142504)]