20017143412

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{4339}}^1$

素因数の和:4521

約数の個数: 96

約数和(自身を含む): 42372565760

約数和(自身を除く): 22355422348

約数列:

[1, 2, 4, 7, 14, 28, 37, 61, 73, 74, 122, 146, 148, 244, 259, 292, 427, 511, 518, 854, 1022, 1036, 1708, 2044, 2257, 2701, 4339, 4453, 4514, 5402, 8678, 8906, 9028, 10804, 15799, 17356, 17812, 18907, 30373, 31171, 31598, 37814, 60746, 62342, 63196, 75628, 121492, 124684, 160543, 164761, 264679, 316747, 321086, 329522, 529358, 633494, 642172, 659044, 1058716, 1123801, 1153327, 1266988, 1852753, 2217229, 2247602, 2306654, 3705506, 4434458, 4495204, 4613308, 7411012, 8868916, 9793123, 11719639, 19321567, 19586246, 23439278, 38643134, 39172492, 46878556, 68551861, 77286268, 82037473, 135250969, 137103722, 164074946, 270501938, 274207444, 328149892, 541003876, 714897979, 1429795958, 2859591916, 5004285853, 10008571706, 20017143412]

約数ペア:

[(1, 20017143412), (2, 10008571706), (4, 5004285853), (7, 2859591916), (14, 1429795958), (28, 714897979), (37, 541003876), (61, 328149892), (73, 274207444), (74, 270501938), (122, 164074946), (146, 137103722), (148, 135250969), (244, 82037473), (259, 77286268), (292, 68551861), (427, 46878556), (511, 39172492), (518, 38643134), (854, 23439278), (1022, 19586246), (1036, 19321567), (1708, 11719639), (2044, 9793123), (2257, 8868916), (2701, 7411012), (4339, 4613308), (4453, 4495204), (4514, 4434458), (5402, 3705506), (8678, 2306654), (8906, 2247602), (9028, 2217229), (10804, 1852753), (15799, 1266988), (17356, 1153327), (17812, 1123801), (18907, 1058716), (30373, 659044), (31171, 642172), (31598, 633494), (37814, 529358), (60746, 329522), (62342, 321086), (63196, 316747), (75628, 264679), (121492, 164761), (124684, 160543)]