20604816

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:493

約数の個数: 120

約数和(自身を含む): 64415520

約数和(自身を除く): 43810704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 34, 36, 38, 48, 51, 57, 68, 72, 76, 102, 114, 136, 144, 152, 153, 171, 204, 228, 272, 304, 306, 323, 342, 408, 443, 456, 612, 646, 684, 816, 886, 912, 969, 1224, 1292, 1329, 1368, 1772, 1938, 2448, 2584, 2658, 2736, 2907, 3544, 3876, 3987, 5168, 5316, 5814, 7088, 7531, 7752, 7974, 8417, 10632, 11628, 15062, 15504, 15948, 16834, 21264, 22593, 23256, 25251, 30124, 31896, 33668, 45186, 46512, 50502, 60248, 63792, 67336, 67779, 75753, 90372, 101004, 120496, 134672, 135558, 143089, 151506, 180744, 202008, 271116, 286178, 303012, 361488, 404016, 429267, 542232, 572356, 606024, 858534, 1084464, 1144712, 1212048, 1287801, 1717068, 2289424, 2575602, 3434136, 5151204, 6868272, 10302408, 20604816]

約数ペア:

[(1, 20604816), (2, 10302408), (3, 6868272), (4, 5151204), (6, 3434136), (8, 2575602), (9, 2289424), (12, 1717068), (16, 1287801), (17, 1212048), (18, 1144712), (19, 1084464), (24, 858534), (34, 606024), (36, 572356), (38, 542232), (48, 429267), (51, 404016), (57, 361488), (68, 303012), (72, 286178), (76, 271116), (102, 202008), (114, 180744), (136, 151506), (144, 143089), (152, 135558), (153, 134672), (171, 120496), (204, 101004), (228, 90372), (272, 75753), (304, 67779), (306, 67336), (323, 63792), (342, 60248), (408, 50502), (443, 46512), (456, 45186), (612, 33668), (646, 31896), (684, 30124), (816, 25251), (886, 23256), (912, 22593), (969, 21264), (1224, 16834), (1292, 15948), (1329, 15504), (1368, 15062), (1772, 11628), (1938, 10632), (2448, 8417), (2584, 7974), (2658, 7752), (2736, 7531), (2907, 7088), (3544, 5814), (3876, 5316), (3987, 5168)]