20786616

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 59404800

約数和(自身を除く): 38618184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 67, 72, 93, 124, 134, 139, 186, 201, 248, 268, 278, 279, 372, 402, 417, 536, 556, 558, 603, 744, 804, 834, 1112, 1116, 1206, 1251, 1608, 1668, 2077, 2232, 2412, 2502, 3336, 4154, 4309, 4824, 5004, 6231, 8308, 8618, 9313, 10008, 12462, 12927, 16616, 17236, 18626, 18693, 24924, 25854, 27939, 34472, 37252, 37386, 38781, 49848, 51708, 55878, 74504, 74772, 77562, 83817, 103416, 111756, 149544, 155124, 167634, 223512, 288703, 310248, 335268, 577406, 670536, 866109, 1154812, 1732218, 2309624, 2598327, 3464436, 5196654, 6928872, 10393308, 20786616]

約数ペア:

[(1, 20786616), (2, 10393308), (3, 6928872), (4, 5196654), (6, 3464436), (8, 2598327), (9, 2309624), (12, 1732218), (18, 1154812), (24, 866109), (31, 670536), (36, 577406), (62, 335268), (67, 310248), (72, 288703), (93, 223512), (124, 167634), (134, 155124), (139, 149544), (186, 111756), (201, 103416), (248, 83817), (268, 77562), (278, 74772), (279, 74504), (372, 55878), (402, 51708), (417, 49848), (536, 38781), (556, 37386), (558, 37252), (603, 34472), (744, 27939), (804, 25854), (834, 24924), (1112, 18693), (1116, 18626), (1206, 17236), (1251, 16616), (1608, 12927), (1668, 12462), (2077, 10008), (2232, 9313), (2412, 8618), (2502, 8308), (3336, 6231), (4154, 5004), (4309, 4824)]