20401471998

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{67261}}^1$

素因数の和:67450

約数の個数: 64

約数和(自身を含む): 46782066240

約数和(自身を除く): 26380594242

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 82, 123, 137, 246, 274, 369, 411, 738, 822, 1107, 1233, 2214, 2466, 3699, 5617, 7398, 11234, 16851, 33702, 50553, 67261, 101106, 134522, 151659, 201783, 303318, 403566, 605349, 1210698, 1816047, 2757701, 3632094, 5515402, 8273103, 9214757, 16546206, 18429514, 24819309, 27644271, 49638618, 55288542, 74457927, 82932813, 148915854, 165865626, 248798439, 377805037, 497596878, 755610074, 1133415111, 2266830222, 3400245333, 6800490666, 10200735999, 20401471998]

約数ペア:

[(1, 20401471998), (2, 10200735999), (3, 6800490666), (6, 3400245333), (9, 2266830222), (18, 1133415111), (27, 755610074), (41, 497596878), (54, 377805037), (82, 248798439), (123, 165865626), (137, 148915854), (246, 82932813), (274, 74457927), (369, 55288542), (411, 49638618), (738, 27644271), (822, 24819309), (1107, 18429514), (1233, 16546206), (2214, 9214757), (2466, 8273103), (3699, 5515402), (5617, 3632094), (7398, 2757701), (11234, 1816047), (16851, 1210698), (33702, 605349), (50553, 403566), (67261, 303318), (101106, 201783), (134522, 151659)]